To Become Fully Charged When The Cell Is Discharged; To Work For One Day - Citizen Eco-Drive b740 Instruction Manual

* Each time required for charging means a duration in which the watch is
continuously exposed to the light indicated.

To become fully charged when the cell is discharged:

Time required for fully charging the watch, starting from the state that the
watch has stopped operation (in the stop warning indication).

To work for one day:

Time required for charging the watch enough to run for one day, starting
from the state that the second hand normally goes every second.
* 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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