Seiko 2P21 Movement Details

Seiko caliber 2P21 is an analog quartz watch movement.
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Sub-brands: Creo
Battery:SR521SW / 379 (Silver oxide)
Accuracy:±15 seconds/month
Day / date?No
GMT / world time?No
Number of jewels:3
Size / diameter:15.0mm
Stem code: 351236, 351238
Development division:Daini (Kameido, Tokyo)
Notes:Has a battery life indicator function.
PDF guides: Technical guide for 2P21A
Related movements: 2P20 2Y00 2Y01