Time Required For Charging - Citizen B740 Manual

5. TIME REQUIRED FOR CHARGING

Since time required for recharging the battery varies according to model
(depending on the dial color, etc.), refer to the following table as a rough
guideline for charging the battery.
Illumi-
nance Environment
(lux)
500 Under indoor lighting
60-70 cm (24-28 in.) under
1,000
a fluorescent lamp (30 W)
20 cm (8 in.) under
3,000
a fluorescent lamp (30 W)
10,000 Cloudy outdoor
100,000
Under bright sunlight in summer
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Time required for charging
Charging Charging
Charging time
required to make the
time for time required
second hand move
one-day for fully
normally from the
operation charging
watch stop status.
2 hrs 16 hrs 134 hrs
50 min 6 hrs 30 min 57 hrs
16 min 2 hrs 30 min 18 hrs
4 min 1 hr 5 hrs
2 min 45 min 2 hrs 30 min
* Each time required for charging means a duration in which the watch is
continuously exposed to the light indicated.
Charging time required
for fully charging: Time required for fully charging the battery, starting from the
state that the watch has stopped operation (in the stop
warning indication).
Charging time for
one-day operation: Time required for charging the battery enough for running
the watch for one day, starting from the state that the second
hand normally goes every second.
(Note) For using the watch for diving (one-hour diving a day),
time required for charging must be extended 1.5 times
as long as the time appearing in the table.
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