Seiko A781 Movement Details

Seiko caliber A781 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:29.4mm x 30.5mm
Height:5.3mm
Notes:Has an alarm.
PDF guides: Battery replacement guide : A781A
Technical guide