Seiko F441 Movement Details
Seiko calibre F441 is a digital watch movement. Production was in the 1980s.
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| Battery: | SR916SW / 373 (Silver oxide) |
| Accuracy: | ±10 seconds/month |
| GMT / world time? | No |
| Chronograph? | No |
| Development division: | Daini (Kameido, Tokyo, Japan) |