Seiko 8M48 Movement Details

Seiko caliber 8M48 is an analog quartz watch movement. Production was in the 1980s.
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Sub-brands: Pace Timer
Battery:SR920W / 370 (Silver oxide)
Accuracy:±15 seconds/month
Day / date?No
GMT / world time?No
Rate:32,768 Hz
Development division:Daini (Kameido, Tokyo)
PDF guides: Battery replacement guide