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