Seiko C439 Movement Details
Seiko caliber C439 is a digital watch movement. Production was in the 1980s.
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| Battery: | SR1130W / 389 (Silver oxide) |
| Accuracy: | ±15 seconds/month |
| GMT / world time? | No |
| Chronograph? | Yes |
| Rate: | 32,768 Hz |
| Size / diameter: | 21.95mm x 30.0mm |
| Height: | 5.34mm |
| Development division: | Daini (Kameido, Tokyo, Japan) |
| Notes: | Has an alarm and calculator feature. |