Seiko S690 Movement Details
Seiko caliber S690 is a digital solar watch movement.
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| Sub-brands: | Prospex |
| Accuracy: | ±20 seconds/month |
| GMT / world time? | Yes |
| Chronograph? | Yes |
| Alarm? | Yes |
| Rate: | 32,768 Hz |
| Notes: | Has an alarm. |
| PDF guides: | |
| Related movements: | S680 |