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5. General Reference for Charging Times
Below are the approximate times required for charging when exposing the
watch dial to light continuously. This table is for general reference only and does
not represent exact charging times.
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 16 minutes 11 hours
Outdoors (cloudy) 10,000 9 minutes 2 hours 25 hours
20 cm (7-7/8 inches)
from a fluorescent
lamp (30W)
3,000 30 minutes 5 hours 80 hours
Interior lighting 500 3 hours 30 hours
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