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Charging your watch
Charging time by environment
Below are the approximate charging times when exposing to light continuously.
Please use this table as a reference only.
Environment
Illuminance
(lx)
Charging time (approx.)
To work for one
day
To start working
normally when the
cell is discharged
To become fully
charged when the cell
is discharged
Outdoors (sunny) 100,000
3 minutes 2 hours 35 hours
Outdoors (cloudy) 10,000
11 minutes 3.5 hours 65 hours
20 cm (7-7/8
inches) away from
a fluorescent lamp
(30W)
3,000
40 minutes 7.5 hours −
Interior lighting 500
4 hours 50 hours −
•
Exposing to direct sunlight is recommended to charge your watch.
A fluorescent lamp or interior lighting does not have sufficient illumination to
charge the rechargeable cell efficiently.
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