Seiko 4S25 Movement Details

Seiko caliber 4S25 is an automatic (with hand winding) watch movement. Production was in the 1990s.
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Power reserve:40 hours
Accuracy:+25/-15 seconds/day (Seiko "C" standard)
Day / date?Date only
GMT / world time?No
Rate:28,800 bph
Number of jewels:25
PDF guides:
Related movements: 4S15 4S35

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