Seiko 9M21 Movement Details
Seiko caliber 9M21 is an analog quartz watch movement.
Battery: | CR2016 / (Lithium) |
Accuracy: | ±15 seconds/month |
PDF guides: | Battery replacement guide |
Seiko caliber 9M21 is an analog quartz watch movement.
Battery: | CR2016 / (Lithium) |
Accuracy: | ±15 seconds/month |
PDF guides: | Battery replacement guide |