Manual Seiko 9S68 (page 21 of 25) (English)

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Printed in Japan

BSJ9SCCG-2002

Thank you very much for choosing a Grand Seiko watch.

For proper and safe use of your Grand Seiko watch, please

read the instructions carefully in this booklet before using it.

Keep this manual handy for easy reference.

Bracelet sizing is available at the retailer from whom the watch was purchased. If you cannot

have your watch band sized by the retailer from whom the watch was purchased because you

received the watch as a gift, or you moved to a distant place, please contact Grand Seiko

international service network mentioned on CERTIFICATE OF GUARANTEE or our website.

The service may also be available on a chargeable basis at other retailers, however, some

retailers may not undertake the service.

If your watch has a protective film for preventing scratches, make sure to peel it off before using

the watch. If the watch is used with the film on it, dirt, sweat, dust, or moisture may be attached

to the film and may cause rust.

CONTENTS

■ INTRODUCTION -About mechanical watch- ............................................................. 2

• Characteristics of a mechanical watch .............................................................. 3

• For lifelong use of your mechanical watch ......................................................... 5

■ CAUTIONS FOR ACCURACY ............................................................................. 8

■ HANDLING CAUTIONS ....................................................................................... 9

■ CHECK THE CALIBER NUMBER AND WATER-RESISTANT LEVEL ............. 10

■ CAUTIONS ON WATER RESISTANCE ............................................................ 11

■ NAMES OF THE PARTS .................................................................................... 15

■ HOW TO USE ..................................................................................................... 18

• Crown .............................................................................................................. 18

• Power reserve indicator ................................................................................... 19

• HOW TO USE (FOR CAL. 9S85, 9S68, 9S65, 9S27) ...................................... 20

• HOW TO USE (FOR CAL. 9S86, 9S66) .......................................................... 22

※List of time zone differences in major regions of the world ........................... 29

• HOW TO USE (FOR CAL. 9S64, 9S63) .......................................................... 30

• HOW TO USE (FOR CAL. 9S61) .................................................................... 32

■ FUNCTIONS OF DIVER’S MODEL .................................................................... 33

• Unidirectional rotating bezel ............................................................................ 33

• Slide adjuster ................................................................................................... 34

■ THE GRAND SEIKO STANDARD ..................................................................... 35

• The Grand Seiko Standard Inspection Certificate ............................................ 37

• Cautions for accuracy of mechanical watch .................................................... 38

■ TO PRESERVE THE QUALITY OF YOUR WATCH .......................................... 39

• After-sale service ............................................................................................. 39

• Guarantee ....................................................................................................... 40

• Daily care ........................................................................................................ 41

• Band ................................................................................................................ 42

• Magnetic resistance (Magnetic influence) ....................................................... 43

• Lumibrite ......................................................................................................... 44

• Troubleshooting .............................................................................................. 45

■ SPECIFICATIONS (Movement) ........................................................................ 46

English

■

INTRODUCTION -About mechanical watch-

Thank you very much for purchasing the Grand Seiko mechanical watch.

Take hold of your watch softly.

Hear the watch ticking,

tick tock, tick tock, tick tock,

soft and faint, a dignified sound can be heard.

The sound can be called

the crystal of the craftsmen’s spirit and skill.

Handpicked parts assembled one by one,

carefully, with craftsmanship,

giving life to a mechanical watch.

This is proven by the sound.

Talking about accuracy,

mechanical watches cannot be compared to

quartz watches, that is for certain.

However, the accuracy of a mechanical watch

is pursued by human hands.

Full of spirit and know-how of craftsmen.

A mechanical watch - complicated, sensitive,

and having a human touch.

We would like to let all of you know

the charm of a mechanical watch, which has no bounds.

So we made this handbook, mainly detailing the accuracy.

Wishing you will have a nice time

with your Grand Seiko for a long, long time.

2INTRODUCTION -About mechanical watch-

Quartz watches and mechanical watches - what

is the difference?

We will explain by example

Quartz watches that you have come to be

familiar with.

These are just like airplanes, controlled by

computers.

A battery, IC, and crystal make quartz

watches work accurately, electrically.

Some loss or gain may occur while the watch

is worn.

However, this will be too small to notice in your

daily life.

If a quartz watch resembles an airplane, a

mechanical watch is like a bicycle.

All watch parts work together mechanically to

make it tick.

Thus, a mechanical watch is easily affected

by the outside environment.

If it is hot, the watch tends to lose time. When

power driving the watch becomes short (when

the amount the spring is wound is short),

accuracy becomes unstable.

If the resting position of the watch is changed,

accuracy is also affected.

The rate of loss/gain could be significant that

you will notice in your daily life.

The accuracy is shown by the daily rate

The measured loss/gain of the watch per day

This is called the daily rate.

The accuracy of a mechanical watch is usually shown in

this daily rate.

The accuracy of a mechanical watch changes delicately

day by day,

depending on the condition in which the watch is used or

the outside environment.

Thus,

By only observing loss/gain in one day, you cannot judge

how accurate the watch works.

If you check the average of the daily loss/gain rate, you

can judge the accuracy of the watch.

In the case of quartz watches, the accuracy is usually

shown by the monthly/yearly rate.

Total losses/gains for a month/year are called the loss/

gain rate of quartz watches.

INTRODUCTION -About mechanical watch-Characteristics of a mechanical watch

English

Mean daily rate / Normal usage accuracy

The accuracy of a mechanical watch varies depending on many things,

such as the amount the spring is wound by movements of your arm, temperature, or resting

position of the watch.

Thus to show the accuracy of a mechanical watch evenly, not depending on the environment,

loss/gain of a mechanical watch is measured

before the inside movements of the watch are put in the case,

under controlled conditions,

with many days of tests.

And the measured rate is called “mean daily rate”.

In both the ISO3159 and Grand Seiko Standard*,

the standard rate is mean daily rate.

* “THE GRAND SEIKO STANDARD” P. 35

This rate is the data measured in an environment that is

artificially controlled,

in order to fairly evaluate/show the abilities of mechanical

watches without being influenced by environmental

changes.

So it is different from “normal usage accuracy”

when you are actually wearing the watch.

The accuracy of a mechanical watch varies delicately day

by day, depending on the environment.

This is like a living thing,

one of the charms that a mechanical watch has.

Normal usage accuracy should be from –1 second/day to +10 seconds (–1 to +8 seconds

for Cal. 9S86 and 9S85, –5 to +10 seconds for Cal. 9S27) /day. If the average of the daily

rates exceeds this level, we would like the responsibility for adjusting it accordingly (The cost

of adjusting the watch is free of charge for three years from the date of purchase.)

To adjust the accuracy as accurately as possible, information such as the rate of loss/gain

of your watch and how you use it, are very important. Please let us know the following when

you ask for adjustment of your watch by our service center.

(1) The average daily loss/gain rates for one week to ten days

Ex. an average of +11 seconds

(2) Approximate hours of wearing the watch in one day in the above period

Ex. Approximately 10 hours

(3) The resting position of the watch while you don’t wear it

Ex. Horizontal - Dial up

Vertical - the crown up

4INTRODUCTION -About mechanical watch-Characteristics of a mechanical watch

For lifelong use of your mechanical watch rule No.1

Wind the mainspring of your mechanical watch at a fixed time.

As there are rules for everything, there is a rule for

winding the spring.

You have not heard this before?

Please keep it in mind.

The mainspring - the source of energy for a

mechanical watch.

When it is fully wound, it can supply the most

stable energy to every part of the watch

movement, and the accuracy of the watch

becomes most stable.

Power the

mainspring

supplies

High

Low

Duration from a fully wound state

Even if your watch is a self-winding type, when you

feel the accuracy is not stable, turn the crown to

wind the mainspring further.

If you work at a desk, etc., and do not move too

much, the spring will not be wound sufficiently.

If your watch is a wind-up mechanical type, turn

the crown every day, at a fixed time to wind the

mainspring sufficiently.

To use the watch with better accuracy, wind the

mainspring every day, at a fixed time.

Please keep to this rule as best as possible.

For instance,

You may make it a rule to wind the spring

When you wake up, or at lunchtime.

For lifelong use of your mechanical watch rule No.2

Place your watch correctly, like this.

Half of one day, twenty-four hours,

when you do not wear your watch.

The accuracy while you do not wear the watch is included in “normal

usage accuracy”.

The mechanical watch that you take off.

Which position should the watch be put in?

The loss/gain of a mechanical watch

depends on the resting position of the watch.

In one position, the watch tends to gain, in another position, it doesn’t.

For instance, while you are sleeping at night,

when you do not wear your watch,

put the watch in various positions for seven to eight hours, such as

placing it with its face turned up,

or with the crown up, to find the best resting position for the watch for

reducing the loss/gain that occurs while you are wearing your watch.

Horizontal

-dial up

Vertical-

3 o’clock

INTRODUCTION -About mechanical watch-For lifelong use of your mechanical watch

English

For lifelong use of your mechanical watch rule No.3

Accuracy will vary depending on the temperature.

A piece of metal of about 0.1 mm, as thin as a hair,

is wound.

That is the key that controls the accuracy of all

mechanical watches.

<<Balance>>

Balance

spring

Metals expand and contract depending on the

temperature.

This characteristic of all metals also applies to the

balance spring.

This affects the accuracy of a mechanical watch.

In other words,

When it is hot, the balance spring expands and

the watch tends to lose.

When it is cold, the balance spring contracts and

the watch tends to gain. This is typical.

For lifelong use of your mechanical watch rule No.4

Keep your mechanical watch away from magnetic objects.

After you take off your watch,

do you leave it by your cell phone?

Or put it on a television or next to your PC?

Do you put it in your bag with your cell phone?

Watches do not like magnetism.

They may lose or gain when affected by magnetism.

To make your mechanical watch work more accurately,

it is important not to leave the watch close to magnetic

objects for a long time.

In particular, cell phones, televisions and speakers of PCs

have strong magnetism.

A magnetic necklace, a clasp of a handbag, magnetic parts

of refrigerators,

there are many magnetic objects around us.

Please be careful.

6INTRODUCTION -About mechanical watch-For lifelong use of your mechanical watch

For lifelong use of your mechanical watch rule No.5

Do not give your mechanical watch a strong shock.

When you play golf, tennis or baseball.

When you play a sport that gives your arm a strong

impact.

Please take off your mechanical watch.

There are reasons for this.

For instance,

at the moment you hit a golf ball with a club,

the impact of the ball against the club is about 1

ton.

The impact is given to your wrist,

and this will affect very small parts inside your

mechanical watch.

Sometimes, the impact will deform or break a

watch part.

“Good shot” for you becomes “bad shock” for your

watch.

For lifelong use of your mechanical watch rule No.6

Overhaul, once every three years

Love your watch, once every three years.

Talk about an overhaul.

In the case of a mechanical watch, there is no

need to change your battery.

However,

maintenance of your watch is also necessary.

Once every three years,

please take your watch to our service center for

examining and cleaning every part of your watch.

Once you start using it,

your watch never takes a rest.

And in the case of a mechanical watch, power

given to its gear is stronger,

compared to a quartz watch.

So parts may wear,

oil may dry or be insufficient in some parts.

Especially,

the first three years after you start using your

watch is the period when

each part gets used to one another,

and contacting each other causes additional

metal powder.

The first overhaul is

the key to the life of your mechanical watch.

Please keep in mind

an overhaul, once every three years

can be considered

love for your watch.

INTRODUCTION -About mechanical watch-For lifelong use of your mechanical watch

English

■ CAUTIONS FOR ACCURACY

○ Normal usage accuracy of a mechanical watch varies depending on individual customer’s

use conditions such as winding state of the mainspring by movement amount of the

customer’s arm per day, temperature environment, and position (orientation of a watch).

Accordingly, the actual normal usage accuracy when the watch is used by a customer may

differ from the numerical value of each item specified in the Grand Seiko Standard.

○ The target range of normal usage accuracy when the watch is actually used by a customer

is set to –1 to +10 seconds (–1 to +8 seconds for Cal. 9S86 and 9S85, –5 to +10 seconds for

Cal. 9S27) per day.

To correctly judge the normal usage accuracy, please use the watch for not only one day,

but also approximately one week to 10 days under normal use conditions to check loss or

gain of time. If the average value per day exceeds the target range, we will adjust the watch.

(Adjustment is provided free of charge for three years after purchase, then charged thereafter.

For more details, please refer to the instruction manual.)

○ The enclosed Grand Seiko Standard Inspection Certificate certifies the values of a movement

single unit before assembly in a case which are measured under an artificially controlled

environment in the production factory passed the Grand Seiko Standard Inspection.

Should the certificate be lost or after repair or adjustment, it cannot be reissued.

8CAUTIONS FOR ACCURACY

■ HANDLING CAUTIONS

bWARNING

To indicate the risks of serious consequences such as severe injuries

unless the following safety regulations are strictly observed.

Immediately stop wearing the watch in the following cases.

○

If the watch body or band becomes edged by corrosion etc.

○

If the pins protrude from the band.

* Immediately consult the retailer from whom the watch was purchased or Grand Seiko

international service network mentioned on CERTIFICATE OF GUARANTEE or our website.

Keep the watch and accessories out of the reach of babies

and children.

Care should be taken to prevent a baby or a child accidentally swallowing the accessories.

If a baby or child swallows the battery or accessories, immediately consult a doctor, as it will be

harmful to the health of the baby or child.

bCAUTION

To indicate the risks of light injuries or material damages unless the

following safety regulations are strictly observed.

Avoid wearing or storing the watch in the following places.

○

Places where volatile agents (cosmetics such as polish remover, bug repellent, thinners, etc.)

are vaporizing

○

Places where the temperature drops below 5°C

or rises above 35°C for a long time

○

Places affected by strong magnetism or

static electricity

○

Places affected by strong vibrations

○

Places of high humidity

○

Dusty places

If you observe any allergic symptoms or skin irritation

Stop wearing the watch immediately and consult a specialist such as a dermatologist or an

allergist.

Other cautions

○

Replacement of the metallic band requires professional knowledge and skill.

Please ask the retailer from whom the watch was purchased for replacement of the metallic

band, as there is a risk of hand or finger injury and fear of losing parts.

○

Do not disassemble or tamper with the watch.

○

Keep the watch out of the reach of babies and children. Extra care should be taken to avoid

risks of any injury or allergic rash or itching that may be caused when they touch the watch.

○

If your watch is of the fob or pendant type, the strap or chain attached to the watch may damage

your clothes, or injure the hand, neck, or other parts of your body.

○

Please keep in mind that if a watch is taken off and placed down as it is, the case back, the band

and the clasp will rub against each other possibly causing scratches on the case back. We

recommend placing a soft cloth between the case back, the band and the clasp after taking off

your watch.

HANDLING CAUTIONS

English

■CHECK THE CALIBER NUMBER AND

WATER-RESISTANT LEVEL

About the caliber number

The caliber number is a four-digit number that indicates the model of a movement (mechanical

part of a watch). The Grand Seiko watch is mounted with an exclusive movement, and the

mechanical caliber number starts with “9S”, the spring drive caliber number starts with “9R” and

the quartz caliber numbers are indicated with 4 digits starting with “9F”, “8J” and “4J”.

How to check the caliber number

The four-digit model number on the case back is the caliber number.

Water resistant

performance

Case Number

<Regular case back> <See-through case

back>

<Diver’s watch case

back>

【Ex.】9S85-00A0

Caliber Number

* The above illustrations are examples and may differ from the case back of the watch you

purchased.

Water resistance

Refer to the table below for the description of each degree of water resistant

performance of your watch before using.

Indication on the case back Water resistant performance Conditions of Use

No indication Non-water resistance Avoid drops of water or sweat

WATER RESISTANT Water resistance for everyday life

The watch withstands accidental

contact with water in everyday life

WARNING

Not suitable for swimming

WATER RESISTANT

5 BAR

Water resistance for everyday life

at 5 barometric pressures

The watch is suitable for

swimming.

WATER RESISTANT

10 (20) BAR

Water resistance for everyday life

at 10 (20) barometric pressures

The watch is suitable for diving not

using an air cylinder.

DIVER'S WATCH 200m or

AIR DIVER'S 200m

The watch can be worn for diving

using a compressed air cylinder

and can withstand water pressure

to a depth of 200 meters.

The watch is suitable for genuine

scuba diving use.

DIVER'S WATCH 600m FOR

SATURATION DIVING or

He GAS DIVER'S 600m

The watch can be worn for diving

using helium gas and can

withstand water pressure to a

depth of 600 meters.

The watch is suitable for

saturation diving.

* The orientation and design of the display may vary depending on the model.

10 CHECK THE CALIBER NUMBER AND WATER-RESISTANT LEVEL

■CAUTIONS ON WATER RESISTANCE

b CAUTION

Do not turn or pull out the crown when the

watch is wet.

Water may get inside of the watch.

* If the inner surface of the glass is clouded with condensation or water

droplets appear inside of the watch for a long time, the water resistant

performance of the watch is deteriorated.

Immediately consult the retailer from whom the watch was purchased or

Grand Seiko international service network mentioned on CERTIFICATE

OF GUARANTEE or our website.

Do not leave moisture, sweat and dirt on the

watch for a long time.

Be aware of a risk that a water resistant watch may lessen its water resistant

performance because of deterioration of the adhesive on the glass or

gasket, or the development of rust on stainless steel.

Do not wear the watch while taking a bath or

a sauna.

Steam, soap or some components of a hot spring may accelerate the

deterioration of water resistant performance of the watch.

If water-resistant level of your watch is defined

as “WATER RESISTANT”

b WARNING

Do not use the watch in scuba diving or

saturation diving.

The various tightened inspections under simulated harsh environment,

which are usually required for watches designed for scuba diving or

saturation diving, have not been conducted. For diving, use watches

specifically designed for diving.

b CAUTION

Do not pour running water directly from

faucet.

The water pressure of tap water from a faucet is high enough to degrade

the water resistant performance of a water resistant watch for everyday life.

CAUTIONS ON WATER RESISTANCE

English

If water-resistant level of your watch is defined as

“DIVER'S WATCH 200m” or “AIR DIVER'S 200m”

bWARNING ○ Never use the watch in saturation diving using helium gas.

○ While diving, never operate the watch in any other manner than

described in this instruction manual.

bCAUTION Before using the diver’s watch, you have to be properly trained in

various types of diving and possess the requisite experience and skill

to dive safely. When diving, strictly abide by the rules of diving.

If water-resistant level of your watch is defined

as “DIVER'S WATCH 600m FOR SATURATION

DIVING” or “He GAS DIVER'S 600m”

bWARNING ○ This product is compatible with saturation diving. Do not use this

product for saturation diving unless you have acquired the

requisite experience and techniques for safe saturation diving,

thoroughly familiarized yourself with the operation and handing of

this product, and inspect all functions of this product prior to each

dive.

○ Make sure you carefully check the depth rating indicated on the

watch dial or on the case back, and never use the watch

underwater deeper than the specified depth.

○ While diving, never operate the watch in any other manner than

described in this instruction manual.

bCAUTION Before using the diver’s watch, you have to be properly trained in

various types of diving and possess the requisite experience and skill

to dive safely. When diving, strictly abide by the rules of diving.

12 CAUTIONS ON WATER RESISTANCE

Precautions for diving (common during scuba

diving and saturated diving)

○ Before diving

Inspect the following items before diving.

“NAMES OF THE PARTS”→ P. 15

1The time is correctly set.

2Turn the crown to wind up the watch

so that it does not stop in the water.

“Screw down crown”→ P. 18

“How to wind the mainspring”→

P. 20

3The rotating bezel turns smoothly.

(The bezel rotation must not be too

loose or too tight.)

“Unidirectional rotating bezel”→

P. 33

4The crown is completely screwed in.

“Screw down crown”→ P. 18

5No abnormalities such as flaws or

cracks exist on the band or glass.

6The band is reliably fixed with spring

bars, buckles or other parts.

bCAUTION If you notice any abnormalities, contact the retailer from whom the

watch was purchased or Grand Seiko international service network

mentioned on CERTIFICATE OF GUARANTEE or our website.

CAUTIONS ON WATER RESISTANCE

English

○ While diving

Make sure to observe the following instructions when you wear the watch while diving.

Wear the watch within the water depth

indicated on the dial.

Do not operate the crown or buttons

underwater.

Take care not to bump the watch against hard

objects such as rocks.

Bezel rotation may become slightly harder

underwater, but this is not a malfunction.

○ After diving

Please follow the care instructions below after diving.

Rinse the watch in fresh water and wipe it thoroughly dry.

Do not pour running water directly from a faucet onto the watch. Soak the watch in a container

filled with water to wash it.

14 CAUTIONS ON WATER RESISTANCE

■ NAMES OF THE PARTS

9S85, 9S68, 9S65, 9S27 (Regular models)

1Hour hand

2Seconds hand

3Minute hand

4Date

5Crown

9S85 (Diver’s model)

1Hour hand

2Seconds hand

3Minute hand

4Date

5Crown

6Rotating bezel

How to set the time and date→ P. 20

FUNCTIONS OF DIVER’S MODEL→ P. 33

Precautions for diving→ P. 13

NAMES OF THE PARTS

English

9S86, 9S66 (Regular models)

1Hour hand

2Seconds hand

324-hour hand

4Minute hand

5Date

6Crown

9S86 (Model with a rotating bezel)

1Hour hand

2Seconds hand

324-hour hand

4Rotating bezel with a 24-hour

indicators

5Outer frame of the dial with a

24-hour indicators

6Minute hand

7Date

8Crown

How to set the time and date→ P. 22

Unidirectional rotating bezel→ P. 33

16 NAMES OF THE PARTS

9S64, 9S61

1Hour hand

2Seconds hand

3Minute hand

4Crown

9S63

1Hour hand

2Seconds hand

3Minute hand

4Power reserve indicator

5Crown

* The orientation and design of the display may vary depending on the model.

How to set the time→ P. 32

How to set the time→ P. 31

Power reserve indicator→ P. 19

NAMES OF THE PARTS

English

■ HOW TO USE

Crown

There are two types of crowns, the regular one and one that can be locked.

Please confirm the crown of the watch that you are using.

While pressing

the crown in, turn

it in the direction

indicated by the

arrow.

The crown

turns.

The crown

does not

turn.

Normal crown

Pull out the crown and operate it.

Screw down crown

Unlock the crown

before operating it.

After operating the

crown, lock it.

Unscrew

Rotate while

pressing

the crown in.

* By locking the crown by screw, a

screw down crown can prevent

malfunction and increase water

resistance.

* Be careful not to screw the crown

in by force as it may damage the

slots of the crown.

* Turn the crown from time to time. → P. 41

Screw down crown

The screw down crown features a mechanism that can securely lock the crown when

it is not being operated in order to prevent any operational errors and to improve its

water resistant performance.

○It is necessary to unlock the screw down crown before operating it.

○Once you have finished operating the crown, make sure to relock it.

【To unlock the crown】

Turn the crown counterclockwise (6 o’clock

direction) to unscrew it. Now the crown can be

operated.

【To lock the crown】

Turn the crown clockwise (12 o’clock

direction) while gently pressing it in toward the

watch body until it stops.

Crown locked

Unlock the crown

before operating it. Crown unlocked After operating the

crown, lock it.

Unscrew

Rotate while pressing

the crown in.

* When locking the crown, turn it slowly with care, ensuring that the screw is properly engaged.

Be careful not to push it in forcefully, as doing so may damage the screw hole in the case.

18 HOW TO USE

Power reserve indicator

The power reserve indicator lets you know the winding state of the mainspring.

Before removing the watch from your wrist, observe the power reserve indicator to check if

the watch has stored enough power to keep running until the next time you wear it. If

necessary, wind the mainspring.

(To prevent the watch from stopping, wind the mainspring to store the excess power that will

allow the watch to run for extra time.)

Power reserve indicator

* The continuous operating time of the watch may vary depending on the condition of use,

such as the number of hours you wear the watch or the extent of your movement while

wearing it.

* In a case where you wear the watch for a short period of time, observe the power reserve

indicator to check the level of the remaining power. If necessary, manually wind the

mainspring.

How to read the power reserve indicator

Power reserve

indicator

Winding state of

the mainspring Fully wound Half wound Unwound

Number of

hours the watch

can run

Approximately 72 hours

(3 days)

Approximately 36 hours

(1.5 days)

The watch either stops

or is running down.

* This watch is configured so that the spring cannot be over-wound.

Once the mainspring is fully wound, the mainspring slips inside, disengaging the winding

mechanism. When this happens, you can still turn the crown without damaging the watch,

however, please refrain from excessive operation of the mainspring.

HOW TO USE

Power reserve indicator

English

HOW TO USE (FOR CAL. 9S85, 9S68, 9S65, 9S27)

How to wind the mainspring

○ This watch is an automatic winding type (with manual winding function).

○ The mainspring can be sufficiently wound automatically by natural movement of the arm

while normally worn on the wrist. In addition, it can be wound by turning the crown.

○ A stopped watch can be started by arm movement when it is worn on the wrist, however,

before wearing the watch, wind the mainspring sufficiently and set the time and date. When

winding the mainspring, turn the crown at the normal position clockwise (12 o’clock

direction) slowly. If you turn the crown counterclockwise (6 o’clock direction), it will turn

free.

The mainspring is sufficiently wound when the crown is turned approximately 45 times for

Cal. 9S85, 60 times for Cal. 9S68 and 9S65, and 30 times for Cal. 9S27. When the

mainspring is in the full-winding state, it is designed so that the mainspring slips if it is

overwound. Therefore, it is not necessary to worry about breaking the mainspring,

however, please refrain from excessive operation.

* It is recommended that you wear the watch on your wrist more than 10 hours a day to keep

the mainspring wound up. If the mainspring is not wound up sufficiently, the watch may

lose or gain time. If you do not wear the watch on your wrist, wind the mainspring up

sufficiently by turning the crown by hand every day at a fixed time.

bCAUTION

○ Do not set the date between 10:00 p.m. and 1:00 a.m. (between 11:00 p.m. and 1:00 a.m.

for Cal. 9S27).

If the date is set during this period of time, the date may not change when the next day

comes, or this may cause damage.

○ Due to its gear train mechanism, for setting the time of the mechanical watch correctly, the

hands should be set back once slightly and then set forward to the correct time.

How to set the time and date

This watch is equipped with the date display function. The date changes once every 24 hours

at around midnight.

Therefore, if the a.m./p.m. is incorrectly set, the date will change around 12:00 p.m.

2The date can be set by turning the

crown clockwise (12 o’clock

direction).

First turn the crown clockwise until

the previous day’s date from the

desired date appears.

1Pull out the crown to the first click.

First click position

(If the watch is equipped with the

screw down crown, unscrew the

crown before pulling it out.)

【Ex.】If you want to set the date

to “6,” set the date to “5”

by turning the crown

clockwise.

20 HOW TO USE

HOW TO USE (FOR CAL. 9S85, 9S68, 9S65, 9S27)

3Pull out the crown to the second click when the seconds hand is at the 12 o’clock position.

(The seconds hand stops.)

Turn the crown counterclockwise (6 o’clock direction) to rotate the hands clockwise until

the desired date appears. When the date changes, the time is a.m. Further turn the crown

to set the current time.

Normal position

First click

position

Second click

position

4Push the crown back into the normal

position in accordance with a time

signal. The watch starts operating.

bCAUTION For models with a screw down crown, remember to screw the crown

in.

Date adjustment at the end of the month

It is necessary to adjust the date after February (which has 28 days, 29 days in a leap year)

and a 30 day month.

【Ex.】To adjust the date in the a.m. period on the first day of a month following a 30-day

month

On the first day, “31” is displayed. Pull out the

crown to the first click. Turn the crown

clockwise (12 o’clock direction) to set the

date to “1”, and push the crown back in to the

normal position.

First click position

bCAUTION For models with a screw down crown, remember to screw the crown

in.

HOW TO USE

HOW TO USE (FOR CAL. 9S85, 9S68, 9S65, 9S27)

English

HOW TO USE (FOR CAL. 9S86, 9S66)

How to wind the mainspring

○ This watch is an automatic winding type (with manual winding function).

○ The mainspring can be sufficiently wound automatically by natural movement of the arm

while normally worn on the wrist. In addition, it can be wound by turning the crown.

○ A stopped watch can be started by arm movement when it is worn on the wrist, however,

before wearing the watch, wind the mainspring sufficiently and set the time and date. When

winding the mainspring, turn the crown at the normal position clockwise (12 o’clock

direction) slowly. If you turn the crown counterclockwise (6 o’clock direction), it will turn

free.

The mainspring is sufficiently wound when the crown is turned approximately 45 times for

Cal. 9S86 and 60 times for Cal. 9S66. When the mainspring is in the full-winding state, it

is designed so that the mainspring slips if it is overwound. Therefore, it is not necessary to

worry about breaking the mainspring, however, please refrain from excessive operation.

* It is recommended that you wear the watch on your wrist more than 10 hours a day to keep

the mainspring wound up. If the mainspring is not wound up sufficiently, the watch may

lose or gain time. If you do not wear the watch on your wrist, wind the mainspring up

sufficiently by turning the crown by hand every day at a fixed time.

How to set the time and date

○ To set the time and date, set the 24-hour hand and minute hand first, and then set the hour

hand and date.

○ When setting the time, make sure that the mainspring is sufficiently wound.

How to set the time

1Make sure that the mainspring is sufficiently wound and the watch is working.

* When setting the date and time, ensure that the watch is working.

Normal position

First click

position

Second click

position

2Unlock the crown.

“Screw down crown”→ P. 18

3Pull out the crown to the second click

when the seconds hand is pointing at

the “0” second position. The seconds

hand will stop on the spot.

22 HOW TO USE

HOW TO USE (FOR CAL. 9S86, 9S66)

Set the 24-hour

hand and

minute hand.

Normal position

First click position

Second click

position

First click position

4Turn the crown counterclockwise (6

o’clock direction) to rotate the 24-

hour hand and minute hand

clockwise and set them to the current

time.

While doing so, set the minute hand

a few minutes behind the correct

time, and then slowly advance it to

the desired time.

* Only the 24-hour and minute

hands are to be set first. Even if

the hour hand is indicating

incorrect time, or the date may be

altered depending on the

position of the hour hand, it is not

necessary to make an

adjustment at this stage.

5Push the crown back in

simultaneously with the time signal.

* The setting of the 24-hour,

minute and seconds hands is

now completed.

6To move on to the hour hand and

date setting, pull out the crown to the

first click.

7Turn the crown to set the hour hand.

While turning the crown, the moment

the date changes is midnight. When

setting the hour hand, be sure that

AM/PM is set correctly.

Set the date also at this point if

necessary.

* The crown can be turned in either

direction to set the date,

however, it is recommended to

turn the crown in the direction

which enables you to set the date

with a smaller adjustment.

* Turn the crown slowly, checking

that the hour hand moves in one-

hour increments.

* When setting the hour hand, the

other hands may move slightly.

However, this is not a

malfunction.

HOW TO USE

HOW TO USE (FOR CAL. 9S86, 9S66)

English

Normal position

First click position

8Push the crown back in to complete

the time setting.

Relock the crown.

“Screw down crown”→ P. 18

How to set the date

Two full rotations of the hour hand will change the date for one day.

The date advances one day by turning the hour hand two full rotations clockwise (for 24

hours), while the date is set back one day by turning the hour hand two full rotations

counterclockwise.

* Manual date adjustment is required on the first day after a month that has less than 31

days: February, April, June, September and November.

1Make sure that the mainspring is sufficiently wound and the watch is working.

* When setting the date and time, ensure that the watch is working.

First click position

4Each time the hour hand makes two full rotations by turning the crown, the date is adjusted

one day. While turning the crown, the moment the date changes is midnight. When setting

the hour hand, be sure that a.m./p.m. is set correctly.

2Unlock the crown.

“Screw down crown”→ P. 18

3Pull out the crown to the first click.

Turning the crown clockwise (12 o’clock

direction):

Each time the hour hand makes two full

rotations, the date is advanced one day.

* The crown can be turned in either direction

to set the date, however, it is recommended

to turn the crown in the direction which

enables you to set the date with a smaller

adjustment.

* Turn the crown slowly.

* When setting the hour hand, the other hands

may move slightly. However, this is not a

malfunction.

Turning the crown counterclockwise (6

o’clock direction):

Each time the hour hand makes two full

rotations, the date is set back one day.

Before date

adjustment

24 HOW TO USE

HOW TO USE (FOR CAL. 9S86, 9S66)

5Upon completion of setting, make sure that the time indicated is correct, and then push

the crown back in. The date setting is now completed.

Relock the crown.

“Screw down crown”→ P. 18

* The date is designed to work in conjunction with the movement of the hour hand,

therefore, incorrect setting of a.m./p.m. will cause the date to change at noon.

* The crown can be turned in either direction to set the date, however, it is recommended

to turn the crown in the direction which enables you to set the date with a smaller

adjustment.

* Turn the crown slowly, checking that the hour hand moves in one-hour increments.

* When setting the hour hand, the other hands may move slightly. However, this is not a

malfunction.

How to use the 24-hour hand

This watch has two different types of 24-hour hand usage.

<Type 1> : 24-hour hand as an

a.m./p.m. indicator

Simply using the 24-hour hand to show the

24-hour time as an a.m./p.m. indicator. (This

is the standard usage type for the 24-hour

hand.)

Both the hour hand and the 24-hour hand are

indicating the Japan time 10:00 a.m.

<Type 2> : 24-hour hand as a dual

time indicator

Using the time difference adjustment

function, set the 24-hour hand to indicate a

time different from the time that the hour and

minute hand indicate, which is of a place in

a different time zone area with at least one

hour of time difference from where you are.

Hour hand : Japan time 10:00 a.m.

24-hour Hand : London time 1:00 a.m.

HOW TO USE

HOW TO USE (FOR CAL. 9S86, 9S66)

English

Time difference adjustment function

For example, while traveling abroad and staying in a place with a different time from where

you live, you can conveniently set the watch to indicate the local time in the different time

zone area without stopping the watch.

The hour hand indicates the time of the place where you currently are, while the 24-hour hand

indicates the time of the place of origin.

The date works in conjunction with the movement of the hour hand. If the time difference is

correctly adjusted, the watch displays the correct date of the place where you are staying.

How to use the time difference adjustment function

1Make sure that the mainspring is sufficiently wound and the watch is working.

* When setting the hour hand to use the time difference adjustment function, ensure that

the watch is working.

First click position

4Turn the crown to set the hour hand to indicate the time of the place where you are staying.

Make sure that a.m./p.m. and date are correctly set.

* The date is designed to work in conjunction with the movement of the hour hand,

therefore, incorrect setting of a.m./p.m. will cause the date to change at noon.

“List of time zone differences in major regions of the world”→ P. 29

Turning the crown

clockwise (12

o’clock direction):

The hour hand is

advanced one

hour.

Turning the crown

counterclockwise

(6 o’clock

direction): The

hour hand is set

back one hour.

* The crown can be turned in either direction to set the date, however, it is recommended

to turn the crown in the direction which enables you to set the time difference with a

smaller adjustment.

* Turn the crown slowly, checking that the hour hand moves in one-hour increments.

* While turning the crown, the moment the date changes is midnight.

* When setting the hour hand, the other hands may move slightly. However, this is not a

malfunction.

2Unlock the crown.

“Screw down crown”→ P. 18

3Pull out the crown to the first click.

26 HOW TO USE

HOW TO USE (FOR CAL. 9S86, 9S66)

5Upon completion of setting, make sure that the time indicated is correct, and then push

the crown back in. The setting procedure is now completed.

Relock the crown.

“Screw down crown”→ P. 18

* If you set the time during any time between 9:00 p.m. and 1:00 a.m., temporarily set the

hour hand back to 8:00 p.m., and then set the time.

Selectable display mode

With the time difference adjustment function, the watch features a dual time display which

shows time in two different time zones. It offers two display modes which you can select to

suit your needs and preference.

【Ex.1】

Hour hand and date : Area A (Japan)

24-hour Hand : Area B (London)

【Ex.2】

Hour hand and date : Area B (London)

24-hour Hand : Area A (Japan)

Set the 24-hour hand first, and then set the hour hand.

HOW TO USE

HOW TO USE (FOR CAL. 9S86, 9S66)

English

How to use the bi-directional rotating bezel

Some models may have a bi-directional rotating bezel, the rim of the glass.

By utilizing the 24-hour indicators imprinted on the rotating bezel, the watch can

independently display the time in one or two different time zones in addition to the time

indicated by the hour hand.

【Ex.】To set the 24-hour hand to indicate the time in Paris and Bangkok which are located

in two different time zones, while setting the hour hand to display 10:08 a.m., Japan

time.

* To use the 24-hour indicators on the rotating bezel to indicate the hour in Bangkok.

1First, set the mark on the rotating bezel to the 12 o’clock position.

2Refer to “Time difference adjustment function”→ P. 26, and set the hour and minute hands

to 10:08 a.m. and align the 24-hour hand with “2” on the rotating bezel.

Time in Paris is 8 hours behind Japan except for summer seasons when daylight saving

time is observed.

3There is a +6-hour time difference between Paris and Bangkok; the time in Bangkok is 6

hours ahead of the time in Paris (when daylight saving time is not in effect). Turn the rotating

bezel counterclockwise to move the mark back 6 hours on the 24-hour indicators.

The hour in Paris is shown by the 24-hour hand pointing to “2” (2:00 a.m.) of the 24-hour

indicators on the dial (or the outer frame of the dial), while the hour in Bangkok is shown

by the 24-hour hand pointing to “8” (8:00 a.m.) of the 24 hour indicators on the rotating

bezel.

* “List of time zone differences in major regions of the world”→ P. 29

Turn the rotating bezel

counterclockwise 6

gradations, so that the 24-hour

indicators on the rotating bezel

are advanced for 6 hours.

Bangkok 8:00 a.m.

Paris 2:00 a.m.

24-hour hand

28 HOW TO USE

HOW TO USE (FOR CAL. 9S86, 9S66)

List of time zone differences in major regions of the world

Names of the cities

Time difference

from Universal

Time Coordinated

(UTC)

Time difference

from Japan

Standard Time

(JST)

Other cities in the same

region

Tokyo +9 hours 0 hours Seoul

Beijing +8 hours -1 hour Hong Kong, Singapore

Bangkok +7 hours -2 hours Jakarta

Dacca +6 hours -3 hours

Karachi +5 hours -4 hours

Dubai +4 hours -5 hours

Jeddah +3 hours -6 hours Baghdad

Cairo +2 hours -7 hours HAthens

HParis +1 hour -8 hours HRome, HBerlin

HLondon 0 hours -9 hours

HAzores -1 hour -10 hours

HRio de Janeiro -3 hours -12 hours

Santo Domingo -4 hours -13 hours

HNew York -5 hours -14 hours HMontreal

HChicago -6 hours -15 hours HMexico City

HDenver -7 hours -16 hours

HLos Angeles -8 hours -17 hours HVancouver

HAnchorage -9 hours -18 hours

Honolulu -10 hours -19 hours

Midway Island -11 hours -20 hours

HWellington +12 hours +3 hours HAuckland

Nouméa +11 hours +2 hours

HSydney +10 hours +1 hour Guam

* Regions marked with H use daylight saving time

* The time zone differences of each region and use of daylight saving time are based on data

as of January 2019. These are subject to change according to the governments of the

respective countries or regions.

HOW TO USE

HOW TO USE (FOR CAL. 9S86, 9S66)

English

HOW TO USE (FOR CAL. 9S64, 9S63)

How to wind the mainspring

○ This watch is a manual winding type.

○ In order to wind it up completely, please refer to the following table;

In case the watch is supposed to be

wound up every day.

About 20 turns of the crown will wind up the

watch fully.

In case the watch was not wound up more

than three days.

About 60 turns of the crown will wind up the

watch fully.

○ For Cal. 9S63 models, look at the power reserve indicator to check the winding state

(remaining power).

“Power reserve indicator”→ P. 19

○ From the state of the mainspring being sufficiently wound, it continuously operates for

approximately 72 hours or more.

○ If the mainspring is not wound up sufficiently, the watch may lose or gain time. To attain a

high accuracy, we suggest that the mainspring is wound up fully once a day at a fixed time.

* When the watch is used from a state in which the mainspring is unwound to a stop, it does

not move immediately even if the mainspring is wound with the winding crown. This is

because of the mechanical watch’s feature that the mainspring torque (force) is weak at

the beginning of mainspring winding. The seconds hand starts moving when the

mainspring is wound to reach a certain degree of torque strength, while the watch can be

made to move advance by shaking it to rotate the balance wheel forcibly.

Do not pull out the crown.

(If the watch is equipped with

the screw down crown,

unscrew the crown.)

Slowly turn the crown clockwise

(12 o’clock direction) to wind

the mainspring.

bCAUTION For models with a screw down crown, remember to screw the crown

in.

Generally speaking, the crown of the manual winding mechanical watch cannot be turned

further when it is wound up fully. However, the crown of the Cal. 9S64 and 9S63 can be turned

endlessly even after the watch is fully wound up. If you keep turning the crown, that gives no

effect to winding, but the watch is so designed as to make the winding a little tighter and not

to damage the watch. However, please refrain from excessive operation.

30 HOW TO USE

HOW TO USE (FOR CAL. 9S64, 9S63)

How to set the time

First click position

* The orientation and design of the display may vary depending on the model.

1Pull out the crown when the seconds

hand is at the 12 o’clock position.

(The seconds hand stops.)

Turn the crown to set the hour and

minute hands to the desired time.

2Push the crown back in to the normal

position in accordance with a time

signal. The watch starts operating.

Tips for more accurate time setting (For Cal. 9S63)

To ensure effective operation of the 9S63 mechanism, observe the following instructions

when you set the time.

1Pull out the crown to the first click when the seconds hand is at the 12 o’clock position.

(The seconds hand stops.)

2Turn the crown counterclockwise (6

o’clock direction) and stop when the

minute hand is about one fourth of

the way between the minute you

want to set and the next minute.

3Turn the crown clockwise (12 o’clock

direction) to return the minute hand

to the desired time.

4Gently push the crown back in to the

normal position.

HOW TO USE

HOW TO USE (FOR CAL. 9S64, 9S63)

English

HOW TO USE (FOR CAL. 9S61)

How to wind the mainspring

○ This watch is an automatic winding type (with manual winding function).

○ The mainspring can be sufficiently wound automatically by natural movement of the arm

while normally worn on the wrist. In addition, it can be wound by turning the crown.

○ A stopped watch can be started by arm movement when it is worn on the wrist, however,

before wearing the watch, wind the mainspring sufficiently and set the time. When winding

the mainspring, turn the crown at the normal position clockwise (12 o’clock direction)

slowly. If you turn the crown counterclockwise (6 o’clock direction), it will turn free.

The mainspring is sufficiently wound when the crown is turned approximately 60 times.

When the mainspring is in the full-winding state, it is designed so that the mainspring slips

if it is overwound. Therefore, it is not necessary to worry about breaking the mainspring,

however, please refrain from excessive operation.

* It is recommended that you wear the watch on your wrist more than 10 hours a day to keep

the mainspring wound up. If the mainspring is not wound up sufficiently, the watch may

lose or gain time. If you do not wear the watch on your wrist, wind the mainspring up

sufficiently by turning the crown by hand every day at a fixed time.

bCAUTION

○ For models with a screw down crown, remember to screw the crown in.

○ Due to its gear train mechanism, for setting the time of the mechanical watch correctly, the

hands should be set back once slightly and then set forward to the correct time.

How to set the time

First click position

1Pull out the crown when the seconds

hand is at the 12 o’clock position.

(The seconds hand stops.)

Turn the crown to set the hour and

minute hands to the desired time.

2Push the crown back in to the normal

position in accordance with a time

signal. The watch starts operating.

32 HOW TO USE

HOW TO USE (FOR CAL. 9S61)

■ FUNCTIONS OF DIVER’S MODEL

Unidirectional rotating bezel

By using the rotating bezel, you can measure the elapsed time since the start of an

event or an activity such as diving.

This watch has a unidirectional rotating bezel. As the evaluation of the remaining air in your

cylinder is based on the information of the elapsed time of the dive, the rotating bezels for a

diver’s watch is designed to rotate only counterclockwise, so that the watch is prevented from

displaying the elapsed time shorter than it actually is.

bCAUTION Make sure that you check the correct remaining amount of air in your

cylinder before diving. Use the display of the elapsed time by the

rotating bezel only as a guide during diving.

How to use the rotating bezel

1At the start of the activity, for which you want to measure the elapsed time (for example,

when you start diving), rotate the bezel so that the mark on the bezel is aligned with

the minute hand.

2Read the graduation on the rotating bezel to which the minute hand is pointing.

【Ex.】 When you start diving at 10:10.

Start of the dive After 15 minutes has elapsed

Align the mark

with the minute

hand

Rotating direction of the

bezel

Elapsed

time

Read the graduation on the

rotating bezel to which the

minute hand is pointing.

FUNCTIONS OF DIVER’S MODEL

English

Slide adjuster

If your watch has a metallic band equipped with a slide adjuster mechanism, you can

easily adjust the bracelet length by yourself. This is very useful when you wear the

watch over a wetsuit or a heavy winter clothing.

How to use the slide adjuster

1Lift up the flap approximately 90° and press it down further approximately 20°, and hold it

there.

* You may feel slight resistance, but doing this requires only a light force. Please do not

push the flap down forcibly.

2Lightly pull the bracelet on the 6 o’clock side of the watch along the curved line of the

bracelet.

* Again, doing this requires only a light force. Please do not pull the bracelet forcibly.

* The slider can be pulled out approximately 30 mm. Be careful not to pull it out beyond

the limit mark inscribed on it.

Flap Bracelet on the 12

o’clock side of your

watch

Bracelet on the 6

o’clock side of your

watch

3Holding down the push button, lift up the clasp to release the buckle, and strap the watch

on your wrist.

4Close the clasp first (4-1) and then the flap (4-2).

5With the hand which is not wearing the watch, adjust the length of the slider so that the

watch fits well around your wrist.

4 -1

4-2

Limit mark (upper surface)

Slider Clasp

Push button

Buckle

34 FUNCTIONS OF DIVER’S MODEL

■ THE GRAND SEIKO STANDARD

Your Grand Seiko watch is built to the very highest standards to ensure that it keeps time as

accurately as possible. In this section, we define the Grand Seiko Standard, what it means and

how your watch is tested against it.

The “Grand Seiko Standard” is our own accuracy standard. Your watch has been tested

individually and has met this standard. All Grand Seiko calibers are tested in the same way and

for the same period but there are two standards, one for Grand Seiko men’s watches and

another for Caliber 9S27 which is used in Grand Seiko’s women’s watches. This is because

the smaller size of Caliber 9S27 results in a different level of precision.

“The Grand Seiko Standard defined”→ P. 36

The movement in your Grand Seiko watch has been tested in our facilities for a period of 17

days, in six different positions and at three different temperatures. It has achieved or surpassed

the standards of accuracy shown on page 36, with the accuracy being defined as a gain or

loss per day (the “mean daily rate”).

The Grand Seiko Special Standard

The Grand Seiko Special Standard is a precision standard even higher than the Grand Seiko

Standard.

Watches that meet this standard are designated by the word “SPECIAL” printed on the dial.

We specify “target values” for actual use and these are -1 second to +10 seconds per day

for all calibers except 9S85 and 9S86 (-1 to + 8) and -5 to +10 for 9S27.

To judge the precision of your watch against these values, please measure the gain or loss

over a week to ten days, and not just for one day, and in normal conditions.

If the mean daily rate is outside these levels, we will adjust the watch free of charge within

three years of purchase. After that period, such adjustments will be chargeable. Equally, the

adjustment will be chargeable if the watch has been subject to any of the conditions below.

○The watch has been used in ways that are not in line with the recommendations in this

booklet, such as allowing it to be magnetized.

○It has been opened or tampered with by anyone other than a Grand Seiko repair center.

○ It has been damaged as a result of a natural disaster such as a flood, fire or earthquake.

○ Guaranteed conditions have been altered.

THE GRAND SEIKO STANDARD

English

The Grand Seiko Standard defined

Item Unit Standard Cal. 9S27 Special

Standard

Mean daily rate in

six positions Second/day −3.0 〜 +5.0 −3.0 〜 +8.0 -2.0 〜 +4.0

Mean variation of

daily rate Second/day Less than 1.8 Less than 3.2 Less than 1.6

Maximum daily

rate between two

consecutive daily

rates in the same

position

Second/day Less than 4.0 Less than 6.0 Less than 3.0

Variation of rate

between

positions

horizontal and

vertical

Second/day -6.0 〜 +8.0 -8.0 〜 +10.0 -5.0 〜 +7.0

Maximum daily

rate between

mean daily rate

and any

individual rate

Second/day Less than 8.0 Less than 13.0 Less than 7.0

Variation of daily

rate per 1 °C

between 8 °C and

38 °C

Second/day/ ℃-0.5 〜 +0.5 -0.6 〜 +0.6 -0.3 〜 +0.3

Variation of daily

rate per 1 °C

between 23 °C

and 38 °C

Second/day/ ℃-0.5 〜 +0.5 -0.6 〜 +0.6 -0.3 〜 +0.3

Rate-resumption Second/day -5.0 〜 +5.0 -6.0 〜 +6.0 4.0

Number of positions in inspection 6 positions

Condition of temperature

in inspection 8, 23, 38 ℃

Length of tests 17 days

36 THE GRAND SEIKO STANDARD

Description of Grand Seiko Standard Terminology

Item Meaning

Position in inspection

Five orientations are specified by the International Standard ISO3159

so as to carry out various kinds of tests for time keeping. In addition

thereto, in the GS inspection, 12 o’clock Up position in the state where

a watch taken off the wrist is placed, is added, six orientations are

specified. (Dial Up, Dial Down, 12 o’clock Up, 3 o’clock Up, 6 o’clock

Up, and 9 o’clock Up)

Mean daily rate in six

positions

Mean value of a total of 12 daily rates measured in six different

positions, respectively, for two days. This is a target value indicating

basic loss/gain per day of a watch, however, it is required to

comprehensively judge the actual accuracy performance in

consideration of other items.

Mean variation of daily rate

Mean value of a total of six variations of daily rates between the first

day and second day when measured in six different positions for two

days each. It indicates the degree which daily accuracy stabilizes in

each position.

Maximum daily rate between

two consecutive daily rates in

the same position

Maximum value of a total of six variations of daily rates between the

first day and second day when measured in six different positions for

two days each. It indicates the degree which accuracy per day changes

at maximum according to positions.

Variation of rate between

positions horizontal and

vertical

Indicates loss/gain in two positions at which a watch is most frequently

used in daily life. It is a difference between mean daily rates for two

days when a watch is placed in the Dial Up position and mean daily

rates for two days when a watch is placed in the 6 o’clock Up position.

Maximum daily rate between

mean daily rate and any

individual rate

Maximum difference value between daily rates for 12 days in the test

initial stage and mean daily rates. It indicates the degree at which the

daily rate varies according to the manner for placing a watch.

Variation of daily rate per 1 °C

between 8 °C and 38 °C

Variation in daily rates per 1 ℃ between 38 ℃ and 8 ℃ in the same

position (Dial Up position). It indicates loss/gain in the temperature

environment (taken-off state from the wrist) where a watch is used.

Variation of daily rate per 1 °C

between 23 °C and 38 °C

Variation in daily rates per 1 ℃ between 38 ℃ and 23 ℃ in the same

position (Dial Up position). It indicates loss/gain in the temperature

environment (worn state of the wrist) where a watch is used.

Rate-resumption

Value obtained by subtracting mean daily rates of initial two days from

daily rate of the last inspection day. It indicates the degree at which

daily rate stabilizes after usage for a predetermined period.

The Grand Seiko Standard Inspection Certificate

○ This certificate accompanies your watch. It shows the precision values achieved by the

movement before the watch was cased and that the movement met the Grand Seiko

Standard. The precision tests were conducted in an artificially controlled environment in

our facility. The certificate shows the caliber number, the movement’s individual number

and the case’s individual number.

○Normal usage accuracy of a mechanical watch varies depending on individual customer’s

use conditions such as winding state of the mainspring by movement amount of the

customer’s arm per day, temperature environment, and position (orientation of a watch).

Accordingly, the actual normal usage accuracy when the watch is used by a customer may

differ from the numerical value of each item specified in the Grand Seiko Standard.

bCAUTION

Your Grand Seiko Inspection Certificate is unique and cannot be replaced or reissued if lost

or after maintenance or adjustment.

THE GRAND SEIKO STANDARD

English

Cautions for accuracy of mechanical watch

Mechanical watches have a mechanism that is moved by power generated when the

mainspring is unwound, and small metal parts physically work together to control the

accuracy. Fragile metal parts of a mechanical watch are easily influenced by external

environment such as temperature, gravity, and shock. Also, conditions of use such as normal

usage time and winding state of the mainspring can influence the loss/gain of the watch.

1Accuracy of mechanical watch is “mean daily rate.”

Accuracy of the quartz watch is indicated monthly or annually such as a monthly rate of

±15 seconds or annual rate of ±10 seconds. This indicates the degree of total difference

in accuracy when the quartz watch is continuously used for a month or a year.

To the contrary, accuracy of the mechanical watch is normally indicated as a “mean daily

rate.”

Accuracy of the mechanical watch slightly varies each day as it is influenced by various

conditions of use, and it is normally unstable. Then it is required to judge whether the

accuracy is satisfactory or not by checking the mean values in the case of use for a week

to ten days, but not for only one day.

For normal usage accuracy of Grand Seiko mechanical watch, -1 to +10 seconds (–1 to

+8 seconds for Cal. 9S86 and 9S85, –5 to +10 seconds for Cal. 9S27) per day are specified

as target values. If the mean value exceeds the abovementioned target value in the normal

usage condition when the watch is used for a week to ten days, we will adjust it.

* Adjustment is provided free of charge for three years after purchase, then charged

thereafter. However, please note that the parts that are age-deteriorated due to long

duration of use may not be adjusted to your desired accuracy. For details, refer to pages

P. 35 and P. 39.

2Factor influencing accuracy -1: Wound amount of the mainspring

In order to use the mechanical watch at better accuracies, it is required to supply a constant

strong energy wherever possible to respective parts.

In the state where the mainspring is fully wound, accuracy is stable, however, when the

mainspring is unwound to weaken energy to be supplied, the parts controlling accuracy

tends to be externally influenced, and accuracy becomes unstable.

In order to use a mechanical watch at a steady accuracy, it is recommended to use it in a

condition where the mainspring is sufficiently wound.

3Factor influencing accuracy -2: Temperature influence

Mechanical watch parts are metal which slightly elongate and contract by change in

temperature, and this influences accuracy. Normally, under high temperatures, it tends to

lose time, and under low temperatures, it tends to gain time.

4Factor influencing accuracy -3: Difference by position (orientation of a watch)

Parts related to accuracy of a mechanical watch are also influenced by the earth’s gravity.

For example, gain or loss differs when a watch is horizontally placed and when it is vertically

placed in the 12 o’clock up position.

When the watch is not worn on the wrist, accuracy errors that occur while wearing can also

be compensated to some extent according to the position. Try to place it in various positions

to find the position appropriate to your watch.

38 THE GRAND SEIKO STANDARD

■

TO PRESERVE THE QUALITY OF YOUR

WATCH

After-sale service

Notes on guarantee and repair

○ Contact the retailer from whom the watch was purchased or Grand Seiko international

service network mentioned on CERTIFICATE OF GUARANTEE or our website for repair

or overhaul.

○ Within the guarantee period, present the certificate of guarantee to receive repair services.

○ Guarantee coverage is provided in the certificate of guarantee. Read carefully and retain

it.

○ For repair services after the guarantee period has expired, if the functions of the watch can

be restored by repair work, we will undertake repair services upon request and payment.

Replacement parts

○ Please keep in mind that if original parts are not available, they may be replaced with

substitutes whose outward appearance may differ from the originals.

Inspection and adjustment by disassembly and

cleaning (overhaul)

○ Periodic inspection and adjustment by disassembly and cleaning (overhaul) is

recommended approximately once every 3 to 4 years in order to maintain optimal

performance of the watch for a long time.

○ The movement of this watch has a structure that consistent pressure is applied on its power-

transmitting wheels. To ensure these parts work together properly, periodic inspection

including cleaning of parts and movement, oiling, adjustment of accuracy, functional check

and replacement of worn parts is needed. Inspection and adjustment by disassembly and

cleaning (overhaul) within 3 to 4 years from the date of purchase is highly recommended

for longtime use of your watch. According to use conditions, the oil retaining condition of

your watch mechanical parts may deteriorate, abrasion of the parts may occur due to

contamination of oil, which may ultimately lead the watch to stop.

As the parts such as the gasket may deteriorate, water-resistant performance may be

impaired due to intrusion of perspiration and moisture.

Please contact the retailer from whom the watch was purchased for inspection and

adjustment by disassembly and cleaning (overhaul). For replacement of parts, please

specify “GRAND SEIKO GENUINE PARTS”. When asking for inspection and adjustment

by disassembly and cleaning (overhaul), make sure that the gasket and push pin are also

replaced with new ones.

○ When your watch is inspected and adjusted by disassembly and cleaning (overhauled),

the movement of your watch may be replaced.

TO PRESERVE THE QUALITY OF YOUR WATCH

English

Guarantee

Within the guarantee period, we guarantee free repair/adjustment service against any

defects according to the following guarantee regulations, provided that the watch was

properly used as directed in this instruction booklet.

Guarantee coverage

○ The watch body (movement, case) and metallic band.

Exceptions from guarantee

In following cases, repair/adjustment services will be provided at cost even within the guarantee

period or under guarantee coverage.

○ Exchange of leather, silicone, or fabric band.

○ Troubles or damage to the case, glass, or band, caused by use.

○ Scratches or grime caused by accidents or improper usage.

○ Troubles and damage caused by acts of God, natural disasters including fire, floods or

earthquakes.

○ Text in certificate has been altered.

○ No certificate is presented.

Procedure to claim free repair services

○ For any defects under guarantee, submit the watch together with the attached certificate

of guarantee to the retailer from whom the watch was purchased.

○ In the case where you cannot accept the guarantee from the retailer from whom the watch

was purchased due to gift-giving or relocation, etc., ask Grand Seiko international service

network mentioned on CERTIFICATE OF GUARANTEE or our website by attaching the

certificate without fail.

Others

○ For the watch case, dial plate, hands, glass, band etc., some alternative parts may be used

for repair if necessary.

○ For length adjustment service of metallic band, ask the retailer from whom the watch was

purchased or Grand Seiko international service network mentioned on CERTIFICATE OF

GUARANTEE or our website.

Other retailers may undertake the service on a chargeable basis or may not undertake the

service.

○ Free repair services are guaranteed only under the period and conditions specified in the

certificate of guarantee.

It does not affect specific legal rights of a consumer.

40 TO PRESERVE THE QUALITY OF YOUR WATCH

Daily care

The watch requires good daily care

○ Do not wash the watch when its crown is at the extended position.

○ Wipe away moisture, sweat or dirt with a soft cloth.

○ After soaking the watch in seawater, be sure to wash the watch in clean pure water and

wipe it dry carefully. Do not pour running water directly from a faucet onto the watch. Put

some water into a bowl first, and then soak the watch in the water to wash it.

* If your watch is rated as “non-water resistant” or “water resistant for daily use”, do not wash

the watch.

“CHECK THE CALIBER NUMBER AND WATER-RESISTANT LEVEL”→ P. 10

Turn the crown from time to time

○ In order to prevent corrosion of the crown, turn the crown from time to time.

○ The same practice should be applied to a screw down crown.

“Crown”→ P. 18

TO PRESERVE THE QUALITY OF YOUR WATCH

English

Band

The band touches the skin directly and becomes dirty from sweat or dust. Therefore,

lack of care may accelerate deterioration of the band or cause skin irritation or stain

on the sleeve edge. The watch requires a lot of attention for long usage.

Metallic band

○Moisture, sweat or soil will cause rust even on a stainless steel band if they are left for a

long time.

○Lack of care may cause a yellowish or gold stain on the lower sleeve edge of shirts.

○ Wipe off moisture, sweat or soil with a soft cloth as soon as possible.

○ To clean the soil around the joint gaps of the band, wipe it out in water and then brush it off

with a soft toothbrush （Protect the watch body from water splashes by wrapping it up in

plastic wrap etc.）

Wipe off the remaining moisture with a soft cloth.

○ Because some titanium bracelets use pins made of stainless steel, which has outstanding

strength, rust may form in the stainless steel parts.

○ If rust advances, pins may poke out or drop out, and the watch case may fall off the bracelet,

or the clasp may not open.

○ If a pin is poking out, personal injury may result. In such a case, refrain from using the watch

and request repair.

Leather band

○ A leather band is susceptible to discoloration and deterioration from moisture, sweat and

direct sunlight.

○ Wipe off moisture and sweat as soon as possible by gently blotting them up with a dry cloth.

○ Do not expose the watch to direct sunlight for a long time.

○ Please take care when wearing a watch with light-colored band, as dirt is likely to show up.

○ Refrain from wearing a leather band watch other than Aqua Free bands while swimming,

and when working with water even if the watch itself is water-resistant enforced for daily

use.

Silicone band

○ As for material characteristics, the band is easily dirtied, and may be stained and

discolored. Wipe off dirt with a wet cloth or cleaning tissue.

○Unlike bands of other materials, cracks may result in the band being cut. Take care not to

damage the band with an edged tool.

Notes on skin irritation and allergy

Skin irritation caused by a band has various reasons such as allergy to metals or leathers, or

skin reactions against friction on dust or the band itself.

Notes on the length of the band

Adjust the band to allow a little clearance with your wrist to ensure proper airflow.

When wearing the watch, leave enough room to insert a finger between the band

and your wrist.

42 TO PRESERVE THE QUALITY OF YOUR WATCH

Magnetic resistance (Magnetic influence)

Affected by nearby magnetism, a watch may temporarily gain or lose time or stop operating.

Indication on the case

back Conditions of use Certified level

No indication

* For diver’s model

Keep the watch more than 5 cm away

from magnetic products. 4,800 A/m

Keep the watch more than 1 cm away

from magnetic products. 16,000 A/m

MAGNETIC RESISTANT

40000A/m

The watch can maintain its

performance in most cases where it is

brought close to (at least 1 cm spaced

from) magnetic products not only in

normal daily life circumstances but

also in a special work environment.

40,000 A/m

* A/m (ampere meter) is the international unit (SI unit) for indicating the magnetic field.

If the watch becomes magnetized and its accuracy deteriorates to an extent exceeding the specified

rate under normal use, the watch may need to be demagnetized. In this case, you will be charged

for demagnetization and accuracy readjustment even if it happens within the guarantee period.

Examples of common magnetic products that may affect watches

The reason why this watch is affected by magnetism

The built-in balance spring is provided with a magnet, which may be influenced by a strong external

magnetic field.

Smartphone, cellular phone, tablet terminal

(speaker, magnet of cover)

AC adapter Bag

(with magnet

buckle)

AC-powered

shaver

Magnetic

cooking device

Portable radio

(speaker)

Magnetic

necklace

Magnetic health

pillow

TO PRESERVE THE QUALITY OF YOUR WATCH

English

Lumibrite

If your watch has Lumibrite

Lumibrite is a newly-developed luminous paint that absorbs light energy of the sunlight and lighting

apparatus in a short time and stores it to emit light in the dark. For example, if exposed to a light of more

than 500 lux for approximately 10 minutes, Lumibrite can emit light for 3 to 5 hours. Please note, however,

Lumibrite emits the light it stores, the luminance level of the light decreases gradually over time. The

duration of the emitted light may also differ slightly depending on such factors as the brightness of the

place where the watch is exposed to light and the distance from the light source to the watch.

* In general, when you enter a dark place from a bright environment, your eye cannot adapt to the

change in light levels quickly. At first, you can hardly see anything, but as time passes, your vision

gradually improves. (Dark adaptation of the human eye)

* Lumibrite is a luminous paint that is completely harmless to human beings and the natural

environment; containing no noxious materials such as radioactive substance.

Reference data on the luminance

Condition Illumination

Sunlight Fine weather 100,000 lux

Cloudy weather 10,000 lux

Indoor (Window-side

during daytime)

Fine weather more than 3,000 lux

Cloudy weather 1,000 to 3,000 lux

Rainy weather less than 1,000 lux

Lighting apparatus

(40-watt daylight

fluorescent light)

Distance to the watch: 1 m 1,000 lux

Distance to the watch: 3 m 500 lux (average room luminance)

Distance to the watch: 4 m 250 lux

44 TO PRESERVE THE QUALITY OF YOUR WATCH

Troubleshooting

Troubles Possible Causes Solutions

The watch stops

operating. The mainspring has not been wound.

Wind the mainspring or swing the watch

for a few times so that the watch will start

operating.

If this action does not correct the condition,

consult the retailer from whom the watch

was purchased.

The watch

temporarily loses/

gains time.

The watch has been left in extremely high

or low temperatures for a long time.

Normal accuracy will resume when the

watch returns to normal temperature.

The watch was brought into close contact

with a magnetic object.

Accuracy cannot be recovered. Restoring

the original accuracy requires

demagnetization (repair). Consult the

retailer from whom the watch was

purchased.

The watch was dropped, worn while

playing active sports, hit against hard

surfaces, or exposed to strong vibrations.

Accuracy cannot be recovered. Consult

the retailer from whom the watch was

purchased.

Inspection, adjustment, and overhaul

cleaning have not been performed for the

watch for more than 3 years.

Consult the retailer from whom the watch

was purchased.

The date changes

during daytime. A.m./p.m. is not correctly set. Advance the hour hand for 12 hours and

reset the time and date.

Blur in the display

persists.

Small amount of water has got inside the

watch due to deterioration of the gasket,

etc.

Consult the retailer from whom the watch

was purchased.

* For the solution of troubles other than above, contact the retailer from whom the watch was

purchased.

TO PRESERVE THE QUALITY OF YOUR WATCH

English

■ SPECIFICATIONS (Movement)

Caliber no. 9S86, 9S85

Common features Hour Hand, Minute Hand, Seconds Hand, Date.

Extra features for Cal. 9S86 only 24-hour hand, Time difference adjustment function

interrelated with the day display

Vibrations 36,000/hour (10/second)

Loss/gain (Grand Seiko

Standard) Mean daily rate*: -3 to +5 seconds

Loss/gain (Grand Seiko Special

Standard) Mean daily rate*: -2 to +4 seconds

Driving system Automatic winding type with manual winding function

Power reserve For 55 hours or more.* From the state of the mainspring being

sufficiently wound.

Jewels 37 jewels

Caliber no. 9S66, 9S68, 9S65, 9S61, 9S64, 9S63

Common features Hour Hand, Minute Hand, Seconds Hand.

Extra features for Cal. 9S66, 68,

65 Date

Extra features for Cal. 9S66 only 24-hour Hand

Extra features for Cal. 9S63 only Power reserve indicator

Vibrations 28,800/hour (8/second)

Loss/gain Mean daily rate*: -3 to +5 seconds

Driving system

9S66, 9S68, 9S65, 9S61: Automatic winding type with

manual winding function

9S64, 9S63: Manual winding type

Power reserve For 72 hours or more.* From the state of the mainspring being

sufficiently wound.

Jewels

9S66, 9S68, 9S65: 35 jewels,

9S63, 9S61: 33 jewels,

9S64: 24 jewels

Caliber no. 9S27

Features Hour Hand, Minute Hand, Seconds Hand, Date.

Vibrations 28,800/hour (8/second)

Loss/gain Mean daily rate*: -3 to +8 seconds

Driving system Automatic winding type with manual winding function

Power reserve For 50 hours or more.* From the state of the mainspring being

sufficiently wound.

Jewels 35 jewels

Mean daily rate*: A mean value of daily rates in a condition where the movement before

assembly in a case are measured in 6 positions in a fixed manner under

artificially controlled environment for 17 days.

Caution: Depending on conditions of use (such as normal usage time, temperature

environment, and winding state), accuracy may exceed the abovementioned range. Therefore,

for normal usage accuracy when it is actually used, -1 to +10 seconds (-1 to +8 seconds for

Cal. 9S86 and 9S85, –5 to +10 seconds for Cal. 9S27) per day are specified as target values.

* The specifications are subject to change without prior notice due to product improvement.

46 SPECIFICATIONS (Movement) 47

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