Seiko 4S25 Movement Details
Seiko calibre 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 |
| Chronograph? | No |
| Hacking? | Yes |
| Rate: | 28,800 bph |
| Number of jewels: | 25 |
| PDF guides: | |
| Related movements: | 4S15 4S35 |