Seiko 9SA5 Movement Details
Seiko calibre 9SA5 is a high grade automatic (with hand winding) watch movement. Production was in the 2020s.
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| Sub-brands: | Grand Seiko |
| Power reserve: | 80 hours |
| Accuracy: | +5/-3 seconds/day (Seiko "AA" standard) |
| Day / date? | Date only |
| GMT / world time? | No |
| Chronograph? | No |
| Rate: | 36,000 bph |
| Number of jewels: | 47 |
| Notes: | Has twin mainspring barrels. This movement has a "dual impulse" escapement which efficiently transfers energy to the balance wheel both indirectly through the pallet fork and directly from the escape wheel. |
| PDF guides: | |
| Related movements: | 9SC5 |