Seiko 4N21 Movement Details
Seiko calibre 4N21 is an analogue quartz watch movement. Production was in the 1990s.
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| Sub-brands: | Lucent |
| Battery: | SR516SW / 317 (Silver oxide) |
| Accuracy: | ±15 seconds/month |
| Day / date? | No |
| GMT / world time? | No |
| Chronograph? | No |
| Rate: | 32,768 Hz |
| Development division: | Daini (Kameido, Tokyo, Japan) |
| Notes: | Used in ladies watches. |
| PDF guides: |
Part Codes
| Stem code: | 351155 (tap 13) |