Seiko 3F31 Movement Details
Seiko caliber 3F31 is an analog quartz watch movement. Production was in the 1990s.
| Sub-brands: | Exceline |
| Battery: | SR616SW / 321 (Silver oxide) |
| Accuracy: | ±20 seconds/year |
| Day / date? | No |
| GMT / world time? | No |
| Chronograph? | No |
| PDF guides: | |
| Related movements: | 3F30 3F81 |