Seiko V657 Movement Details
Seiko caliber V657 is an analog quartz watch movement.
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| Battery: | SR920SW / 371 (Silver oxide) |
| Accuracy: | ±20 seconds/month |
| Day / date? | Date only |
| GMT / world time? | No |
| Chronograph? | Yes |
| Hacking? | Yes |
| Rate: | 32,768 Hz |
| Number of jewels: | 0 |
| Size / diameter: | 28.8mm |
| Height: | 3.7mm |
| PDF guides: | Technical guide : V657A |
| Related movements: | V653 |
Part Codes
| Stem code: | 351892 (tap 11) |