F. TIME REQUIRED FOR CHARGING
Time required for recharging may vary according to the design of the watch
(color of the dial, etc) and operating environment. The following table will serve
as an approximate reference: (Table of recharging)
10
Illuminance
(lux)
500
Environment
Inside an ordinary
office
Time required
From the stop state to the
one second movement
60 hours
One day
usage
4 hours
Empty to full
1000
60-70cm (24-28in.) under
a fluorescent light (30W)
25 hours
2 hours
3000
20cm (8in.) under a
fluorescent light (30W)
8 hours
40 minutes
150 hours
10000
Exterior, cloudy
3 hours
12 minutes
45 hours
100000
Exterior, summer,
sunny
18 minutes
2 minutes
12 hours