Seiko 1F21 Movement Details
Seiko calibre 1F21 is an analogue quartz watch movement.
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| Sub-brands: | Lukia, Exceline, Spirit, Tissé, Moorea |
| Battery: | SR421SW / 348 (Silver oxide) |
| Accuracy: | ±15 seconds/month |
| Day / date? | No |
| GMT / world time? | No |
| Chronograph? | No |
| Number of jewels: | 2 |
| Development division: | Suwa (Nagano Prefecture, Japan) |
| Notes: | Used in ladies watches. |
| PDF guides: | |
| Related movements: | 1F20 |