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.
2928
Illumi-
nance
(lux)
Environment
Time required for charging
Charging time
required to make the
second hand move
normally from the
watch stop status.
Charging
time for
one-day
operation
Charging
time required
for fully
charging
* 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.
500 Under indoor lighting 2 hrs 16 hrs 134 hrs
1,000
60-70 cm (24-28 in.) under
50 min 6 hrs 30 min 57 hrs
a fluorescent lamp (30 W)
3,000
20 cm (8 in.) under
16 min 2 hrs 30 min 18 hrs
a fluorescent lamp (30 W)
10,000 Cloudy outdoor 4 min 1 hr 5 hrs
100,000
Under bright sunlight in summer
2 min 45 min 2 hrs 30 min