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9. General Reference for Charging Times
The charging time varies according to the watch model (including the color of the dial). The
following times are intended as a general reference only.
* Charging time refers to the amount of time that the watch is continuously exposed to light.
Illuminance
(lx)
500
1,000
60-70 cm (24-28 in) under a
fluorescent lamp (30 W)
2 hours
40 minutes
12 minutes
2 minutes
20 cm (18 in) under a
fluorescent lamp (30 W)
Outdoors under a cloudy sky
Outdoors in the summer,
under direct sunlight
3,000
10,000
100,000
Environment
Inside an ordinary office
Charging time (estimated)
4 hours
Charging
time
required for
1 day of
operation
25 hours
6.5 hours
2 hours
25 minutes
45 hours
Charging time to
level 1
(1-second
interval
movement) from
stopped state
―
130 hours
40 hours
6 hours
―
Charging
time to
level 2
from
stopped
state
―
210 hours
70 hours
10 hours
―
Charging time
to
level 3
(fully charged)
from stopped
state
Charging time for 1 day of operation: Time required to charge the watch to run for 1 day
at 1-second interval movement.
Full charging time: Time required to charge the watch from the stopped state to fully
charged.
Level 1: Even if the watch is running at 1-second intervals, it is still not charged enough.
Charge the watch at least to level 2.
