Seiko 8M51 Movement Details
Seiko calibre 8M51 is an analogue quartz watch movement.
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| Battery: | SR920W / 370 (Silver oxide) |
| Accuracy: | ±15 seconds/month |
| Rate: | 32,768 Hz |
| Development division: | Daini (Kameido, Tokyo, Japan) |
| PDF guides: | Battery replacement guide |