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English
English
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Caution for charging
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When charging the watch, do not place it too close to a photoflash
light, spotlight, incandescent light or other light sources as the watch
temperature will become extremely high, causing damage to the parts
inside the watch.
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When exposing the watch to sunlight to charge it, do not leave it on the
dashboard of a car, etc., for a long time, as the watch temperature will
become extremely high.
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While charging the watch, make sure the watch temperature does not
exceed 60 °C.
CAUTION
OVERCHARGING PREVENTION FUNCTION
No matter how long the secondary battery is charged, the performance of the
watch will not be degraded. When the secondary battery becomes fully charged,
the overcharging prevention function will be automatically activated to prevent it
from being charged further.
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The above table provides only a general guideline.
GUIDELINE OF CHARGING TIME/ACCURACY
Environment/Lightsource (lux)
V172
A
(minutes)
B
(hours)
C
(hours)
General offices/ Fluorescent light (700)
150
60
-
30W20cm/ Fluorescent light (3000)
33
13
110
Cloudy weather/Sunlight (10000)
9
3.5
30
Fair weather/Sunlight (100000)
2
0.6
5
Expected life per charge from full
charge to stoppage
6 months
Loss/gain (monthly rate)
Less than 15 seconds when the watch
is worn on your wrist at a normal
temperature range (5 ºC to 35 ºC)
Operational temperature range
-10 ºC to 60 ºC
A
: Time to charge 1 day of power
B:
Time required for steady operation
C
: Time required for full charge
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The watch operates while
charging electricity by
converting light received on
the dial to electrical energy.
It cannot properly operate
unless the remaining energy
is sufficient. Place or store
the watch in a location
receiving light etc., to
sufficiently charge electricity.
• W h e n t h e w a t c h i s
stopped or the second
h a n d s t a r t s m o v i n g
at 2-second intervals,
charge the watch by
exposing it to light.
• The time required for
c h a r g i n g t h e w a t c h
varies depending on
the calibres. Check the
calibre of your watch
engraved on the back
cover.
• It is recommended that
the watch be charged for
as long as the charging
time "B" to assure the
stable movement of the
watch.