Seiko 4N20 movement
Seiko caliber 4N20 is an analog quartz watch movement.
| Battery: | SR516SW / 317 (Silver oxide) |
| GMT/world time? | No |
| Chronograph? | No |
Seiko caliber 4N20 is an analog quartz watch movement.
| Battery: | SR516SW / 317 (Silver oxide) |
| GMT/world time? | No |
| Chronograph? | No |