Seiko 6431 Movement Details
Seiko caliber 6431 is an analog quartz watch movement. Production was in the 1980s.
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| Sub-brands: | Chariot, Silverwave |
| Battery: | SR1120SW / 381 (Silver oxide) |
| Accuracy: | ±15 seconds/month |
| Day / date? | No |
| GMT / world time? | No |
| Chronograph? | No |
| Hacking? | Yes |
| Rate: | 32,768 Hz |
| Number of jewels: | 7 |
| Size / diameter: | 24.0mm |
| Height: | 2.4mm |
| Development division: | Suwa (Nagano Prefecture, Japan) |
| Notes: | The same as cal. 6432 but without date display. |
| PDF guides: | Technical guide : 6431A |
| Related movements: | 6432 6433 |
Part Codes
| Stem code: | 354641 |
| Screw codes: | 022411 |