Seiko A721 Movement Details

Seiko caliber A721 is a digital watch movement.

Battery:CR2016 / (Lithium)
Accuracy:±20 seconds/month
Day / date?Day + date
GMT / world time?No
Chronograph?Yes
Size / diameter:27.5mm
Height:5mm
Notes:Has an alarm.
PDF guides: Battery reset guide
Technical guide for A721A