Citizen Eco-Drive b740 Instruction Manual page 66

7. Duration of operation . . . . • From full charge to stopping of watch: 2 months
8. Battery . . . . . . . . . . . . . . . Rechargeable cell 1 pc.
* Specifications are subject to change without notice.
approx.
• From full charge to NG indication: 1 month
approx.
• From insufficient charge warning to stopping of
watch: 2 days approx.
* Duration of operation greatly varies depending
on frequency of use of the depth gauge and
chronograph. If the watch gets wet, though it is
not used in diving, the water sensor is activated
and the duration is shortened accordingly.
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