Seiko W851 Movement Details

Seiko caliber W851 is a digital watch movement.
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Battery:CR2025 / (Lithium)
Accuracy:±20 seconds/month
GMT / world time?Yes
Chronograph?Yes
Rate:32,768 Hz
Size / diameter:29.0mm
Height:6mm
Notes:Has an alarm.
PDF guides: Technical guide : W850A, W851A, W853A & W854A
Related movements: W850 W853 W854