Manual Seiko 8B54 (page 6 of 12) (English)

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135

Illumination

1x(LUX)

Light

source

Condition

(Example)

Timerequiredforfully

chargingthewatch

Timerequiredforchargingthewatchto

startmovingatone-secondintervals

Timerequiredforcharging

thewatchtorunforoneday

500　

Incandescentlight

60W60cm －－

6hours

700　

Fluorescentlight

Generalo󱐰ces －－

4hours

1000　

Fluorescentlight

30W70cm － 40hours　

3hours

3000　

Fluorescentlight

30W20cm 230hours　 6hours　

1hours

5000　

Fluorescentlight

30W12cm 150hours　 4hours　

35minutes

10000　

Fluorescentlight

30W5cm 60hours　 1.5hour　

15minutes

10000　

Sunlight

Cloudyday 60hours　 1.5hour　

15minutes

100000　

Sunlight

Sunnyday

(Underthedirectsunlightonasummerday)

30hours　 30minutes　

3minutes

SolarChargingFunction

134

SolarChargingFunction

■ How to charge the watch

About charging

Expose the dial to light to charge the watch.

※Whenchargingthewatch,makesurethatthewatchisnotheatedtoahightemperature.(The

operationaltemperaturerangeisbetween-10ºCand+60ºC.)

※Whenrstusingthewatchorstartingtousethewatchafterithasstoppedbecauseofthe

energydepletion,su󱐰cientlychargethewatchreferringtothetableonthepageattheright.

Toensureoptimalperformanceofthewatch,makesure

thatthewatchiskeptsu󱐰cientlychargedatalltime.

Underthefollowingsituations,theenergyofthewatchis

likelytobedepleted,resultinginstoppageofthewatch.

・Thewatchisconcealedunderasleeve.

・

Thewatchisusedorstoredunderconditionswhereitcannotbeexposedtolightforalong

time.

Theguresof“Timerequiredforchargingthewatchtostartmovingatone-secondintervals”areestimationsoftimerequiredtochargethestoppedwatchby

exposingittolightuntilitmovesatsteadyone-secondintervals.Evenifthewatchispartiallychargedforashorterperiod,thewatchwillresumeone-second-interval

movement.However,itmayshortlyreturntotwo-second-intervalmovement.Usethechargingtimeinthiscolumnasaroughguideforsu󱐰cientchargingtime.

※Thesecondhandmovementindicatestheremainingamountofenergy.

　"checkingtheChargingStatus"P.10 8

※Therequiredchargingtimeslightlyvariesdependingonthemodelofthewatch.

■ Standard charging time

For an approximate time required to charge the watch, refer to the table below.

BSB8B54 p095-188 欧文.indd 134-135 19.11.6 11:31:36 AM

137

PowerSave1 PowerSave2

Condition

Whenthewatchisexposedtoastatewithoutreceivingan

adequatelightsourcefor72hoursorlonger.

Whenthewatchisinaninsu󱐰cient

chargingstateforalongtime.

Situation

Howtohandle

thesituation

Whenthewatchisexposedtoanadequatelightsourceforvesecondsorlonger,it

displaysthecurrenttimeagainafterthesecondhandisrapidlyadvanced.

Aftersu󱐰cientlychargingthebattery,setthe

watchforthecurrenttime,ifnecessary.

SolarChargingFunction

136

SolarChargingFunction

The energy depletion forewarning function is activated when the energy

stored in the watch runs low. In such a case, the second hand moves at

two-second intervals. If the watch continues to be in the state of two-

second interval movement, the watch switches to five-second interval

movement, followed by a completely stopped state.

If the energy depletion forewarning function is activated, charge the watch

su󱐰ciently.

※Neitherthebuttonsnorthecrowncanbeoperatedwhilethesecondhandmovesattwo-secondor

ve-secondintervals(thisisnotamalfunction).

※Whilethesecondhandmovesatve-secondintervals,thehourandminutehands,stopoperating.

※Whilethesecondhandmovesatve-secondintervals,thewatchisunabletoreceiveradiosignals

automatically.Afterthewatchischargedsu󱐰cientlyandthesecondhandreturnstonormalone-

secondintervalmovement,conductthemanualreceptionofradiosignalstosetthewatchtothe

correcttime.(RefertoAutomaticReceptionandManualReceptiononP.123.)

How to charge the watch ･･････････　P.134

Standard charging time ････････････　P.135

■ Energy depletion forewarning function

About energy

This watch is equipped with a power save function which can suppress energy consumption

when it is left without receiving an adequate light source for a certain length of time.

PowerSave2

※ Whilethewatchisbeingcharged,thesecondhandmovesat“Five-secondIntervals.”

　Duringthe“Five-secondIntervalMovement,”neitherthebuttonsnorthecrowncanbeoperated.

※

Ifthe“PowerSave2”modeisprolonged,thestoredpoweramountdropsandtheinternalcurrenttimeinformationstoredwillbelost.

　



Whenthewatchreturnstoitsnormalmovementofone-secondintervalaftersu󱐰cientlychargingthebatter y,setthecurrenttimeby

receivingaradiosignal.(RefertoAutomaticReceptionandManualReception→P.12 3)

Thesecondhand

stopspointingatthe

15-secondposition,and

thehourandminute

handsalsostop.

Thewatchconducts

automaticradiosignal

receiving.

■ Power save function

Thesecondhand

stopspointingatthe

45-secondposition,and

thehourandminute

handsalsostop.

Thewatchdoesnot

conductautomatic

radiosignalreceiving.

※Therearetwotypesofpowersavemode.

BSB8B54 p095-188 欧文.indd 136-137 19.11.6 11:31:36 AM

139

ToPreservetheQualityofYourWatch

138

ToPreservetheQualityofYourWatch

●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.

 　※Ifyourwatchisratedas“non-waterresistant”or“waterresistantfordaily

use,”donotwashthewatch.

  　　Performanceandtype　→　P.139.

  　　Waterresistance　→　P.140.

●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locktypecrown.

　 (Noneedtopulloutthescrewlocktypecrown.)

　 Screwlocktypecrown　→　P.107

Daily care

※Thefigureaboveisoneexample.Performanceofyourwatchisdifferentfromabovesample.

The case back shows the caliber and performance of your watch

Performance and type

Calibernumber

Thenumbertoidentify

thetypeofyourwatch

Waterresistant

performance

RefertoP.14 0

Magneticresistant

performance

RetertoP.14 2

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141

Conditionofuse

Avoiddropsofwaterorsweat

Thewatchwithstandsaccidental

contactwithwaterineverydaylife.

Thewatchissuitableforsportssuchasswimming.

Thewatchissuitablefordivingnotusinganaircylinder.

Notsuitablefor

swimming

WARNING

ToPreservetheQualityofYourWatch

140

Indicationonthecaseback

Waterresistantperformance

Noindication 　Non-waterresistance

WATERRESISTANT 　Waterresistanceforeverydaylife　

WATERRESISTANT

5BAR

　Waterresistanceforeverydaylifeat

　5barometricpressures

WATERRESISTANT

10（20）BAR

　Waterresistanceforeverydaylifeat

　10(20)barometricpressures.

ToPreservetheQualityofYourWatch

Refer the table below for the description of each degree of

water resistant performance of your watch before using.

（Referto"P.139"）

Water resistance

BSB8B54 p095-188 欧文.indd 140-141 19.11.6 11:31:36 AM

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Seiko 8B54 Manual

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