Seiko 8M18 Movement Details

Seiko caliber 8M18 is an analog quartz watch movement.
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Battery:SR920W / 370 (Silver oxide)
Accuracy:±15 seconds/month
Day / date?Day + date
GMT / world time?Yes
Rate:32,768 Hz
Number of jewels:4
Size / diameter:25.5mm
Stem code: 351148
Notes:Has an alarm.
PDF guides: Battery reset guide
Technical guide for 8M15A & 8M18A
Related movements: 8M15