Seiko A721 Movement Details
Seiko caliber A721 is a digital watch movement.
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| Battery: | CR2016 / (Lithium) |
| Accuracy: | ±20 seconds/month |
| Day / date? | Day + date |
| GMT / world time? | No |
| Chronograph? | Yes |
| Alarm? | Yes |
| Rate: | 32,768 Hz |
| Size / diameter: | 27.5mm |
| Height: | 5mm |
| Notes: | Has an alarm. |
| PDF guides: |
Battery replacement guide
: A721A
Technical guide |