Citizen u680 - Characteristics of the Eco-Drive Watch

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■ 24. Characteristics of the Eco-Drive Watch
◎ When the watch is insufficiently charged, the indication will be changed as follows:
[Normal display] [Insufficient charge warning]
The watch has been
insufficiently charged
because the watch face,
which contains the solar
cell, has not received
sufficient light.
2-second interval
movement
The second hand starts to move in 2-second intervals
and the mark flashes in digital display 1.