Seiko M422 Movement Details

Seiko caliber M422 is a digital watch movement.
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Sub-brands: Sports 150
Battery:CR2025 / (Lithium)
Accuracy:±20 seconds/month
Day / date?Day + date
GMT / world time?Yes
Chronograph?Yes
Alarm?Yes
Rate:32,768 Hz
Size / diameter:29.3mm
Height:5.7mm
Development division:Daini (Kameido, Tokyo)
PDF guides: Battery replacement guide : M422A
Technical guide
Related movements: M421