Seiko 3180 Movement Details
Seiko calibre 3180 is a high grade hand winding watch movement. Production started around 1960.
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| Sub-brands: | Grand Seiko |
| Power reserve: | 45 hours |
| Day / date? | No |
| GMT / world time? | No |
| Chronograph? | No |
| Hacking? | Yes |
| Rate: | 18,000 bph |
| Number of jewels: | 25 |
| Size / diameter: | 27.6mm |
| Height: | 4.4mm |
| Development division: | Suwa (Nagano Prefecture, Japan) |
| Notes: | This movement powered the first Grand Seiko. |
| Related movements: | 341 430 560 5722 5740 |
Part Codes
| Stem code: | 351572 |
| Balance wheel code: | 310640 |
| Mainspring code: | 401640 |
| Screw codes: | 022150 (stud screw), 022151, 022255, 022259, 022264 (dial screw), 022352, 022451 (case screw), 022453, 022578, 022652, 022657, 022754, 022854 |