Seiko Y121 Movement Details

Seiko caliber Y121 is an analog quartz watch movement.
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Battery:SR626SW / 377 (Silver oxide)
Accuracy:±20 seconds/month
Day / date?No
GMT / world time?No
Chronograph?No
Rate:32,768 Hz
Number of jewels:0
Stem code: 354786 (tap 11), 354788 (tap 10)
PDF guides:
Seiko caliber Y121E. Photo by Mizeni.