Seiko 9S55 Movement Details
Seiko caliber 9S55 is a high grade automatic (with hand winding) watch movement. Production started around 1998 and production finished in 2010.
| Sub-brands: | Grand Seiko |
| Power reserve: | 50 hours |
| Accuracy: | +5/-3 seconds/day (Seiko "AA" standard) |
| Day / date? | Date only |
| GMT / world time? | No |
| Chronograph? | No |
| Hacking? | Yes |
| Rate: | 28,800 bph |
| Number of jewels: | 26 |
| PDF guides: | |
| Related movements: | 4S35 8L35 9S65 |