Seiko 2E20 Movement Details

Seiko caliber 2E20 is an analog quartz watch movement.
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Battery:SR521SW / 379 (Silver oxide)
Accuracy:±15 seconds/month
Day / date?No
GMT / world time?No
Number of jewels:1
Stem code: 351205 (tap 13)
Development division:Daini (Kameido, Tokyo)
Notes:Used in ladies watches.
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Related movements: 2E50 2E70