Seiko B122 Movement Details

Seiko caliber B122 is a digital watch movement.
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Battery:SR927W / 395 (Silver oxide)
Accuracy:±15 seconds/month
Day / date?Date only
GMT / world time?No
Chronograph?No
Alarm?Yes
Rate:32,768 Hz
Size / diameter:22.0mm
Height:5.3mm
Notes:Used in ladies watches. Has a battery life indicator with the digits flashing when the battery's running low.
PDF guides: Battery replacement guide : B122A
Technical guide