Seiko 2B20 Movement Details

Seiko caliber 2B20 is an analog quartz watch movement.

Battery:SR521SW / 379 (Silver oxide)
Accuracy:±20 seconds/month
Day / date?No
GMT / world time?No
Chronograph?No
Number of jewels:0
Size / diameter:15.1mm
Height:2.4mm
Stem code: 351134
Notes:Used in ladies watches.
PDF guides: Technical guide for 2B20A
Related movements: 2B21 2B31