Seiko 4S25 Movement Details
                
                Seiko caliber 4S25 is an automatic (with hand winding) watch movement. Production was in the 1990s.
                Find watches with this movement on eBay.
                
                
                
              
| 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 | 
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