Seiko 9S66 Movement Details
Seiko caliber 9S66 is a high grade automatic (with hand winding) watch movement. Production started around 2010.
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| Sub-brands: | Grand Seiko |
| Power reserve: | 72 hours |
| Accuracy: | +5/-3 seconds/day (Seiko "AA" standard) |
| Day / date? | Date only |
| GMT / world time? | Yes |
| Chronograph? | No |
| Rate: | 28,800 bph |
| Number of jewels: | 35 |
| PDF guides: |