Seiko B137 Movement Details
Seiko calibre B137 is a digital watch movement. Production was in the 1980s.
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| Battery: | SR927W / 395 (Silver oxide) |
| Accuracy: | ±15 seconds/month |
| GMT / world time? | No |
| Chronograph? | Yes |
| Rate: | 32,768 Hz |
| Development division: | Suwa (Nagano Prefecture, Japan) |
| Notes: | Has an alarm. |
| Related movements: | B337 |