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* Overcharge prevention function
When the secondary battery is fully charged, the overcharge prevention function is automatically
activated to avoid further charging.
There is no need to worry about damage caused by overcharging no matter how much the
secondary battery is charged in excess of the “time required for fully charging the watch.”
* For the required time to fully charge the battery, see “Guide to charging times” → P.37.
bWARNING
Notes on charging the watch
When charging the watch, do not place the watch in close proximity to an intense light
source such as lighting equipment for photography, spotlights or incandescent lights,
as the watch may be excessively heated resulting in damage to its internal parts.
When charging the watch by exposure to direct sunlight, avoid places that easily reach
high temperatures, such as a car dashboard.
Always keep the watch temperature under 60°C.
EN 44
6
TO PRESERVE THE QUALITY OF YOUR
WATCH
Water resistant performance
Refer the table below for the description of water resistant performance of your watch before using.
(Please look at P.41.)
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.
b WARNING
Please do not use it for
swimming.
WATER
RESISTANT
5 BAR
Water resistance for
everyday life at 5-BAR
water resistant
The watch is suitable for sports such as swimming.
WATER
RESISTANT
1020BAR
Water resistance for
everyday life at 10 (20)-BAR
water resistant
The watch is suitable for diving not using an air cylinder.
EN 45
6
TO PRESERVE THE QUALITY OF YOUR
WATCH
Magnetic resistant performance
Affected by nearby magnetism,
a watch may temporarily gain or lose time or stop operating.
* When the hand positions deviate to display incorrect time as a result of influence of magnetism, this watch
automatically corrects the hand alignment itself. (P.66)
b DANGER
Indication on the case back Condition of use
No indication Keep the watch more than 10 cm away from magnetic products.
Keep the watch more than 5 cm away from magnetic products.
(JIS level-1 standard)
Keep the watch more than 1 cm away from magnetic products.
(JIS level-2 standard)
If the watch becomes magnetized and its accuracy deteriorates to an extent exceeding the specified rate
under normal use, the watch needs to be demagnetized. In this case, you will be charged for
demagnetization and accuracy readjustment even if it happens within the guarantee period.
The reason why a watch is affected by magnetism
The built-in motor is provided with a magnet, which may be influenced by a strong external magnetic field.
EN 46
6
TO PRESERVE THE QUALITY OF YOUR
WATCH
Examples of common magnetic products that may affect watches
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
EN 47
6
TO PRESERVE THE QUALITY OF YOUR
WATCH
13


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