Insufficient Charge Warning Function; Overcharging Prevention Function - Citizen E610 Instruction Manual

B. Insufficient Charge Warning Function
The second hand changes from one-second interval
movement to two-second interval movement. After
about 4 days have passed since the start of two-
second interval movement, the watch stops as a
result of being insufficiently charged.
[Note]
During two-second interval movement:
(1) Automatic reception and on demand
reception are not available, and the time
cannot be corrected manually.
(2) Only the time mode is displayed, and other
modes cannot be used.
C. Overcharging Prevention Function
When the rechargeable cell becomes fully charged by exposing the solar cell to light, the
overcharging prevention function is activated automatically to prevent the battery from
being charged further. There is no effect on the rechargeable cell, timekeeping accuracy,
watch functions or performance no matter how much the watch is charged.
Two-second
interval
movement
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