Seiko 7431 Movement Details

Seiko caliber 7431 is an analog quartz watch movement.

Battery:SR721SW / 362 (Silver oxide)
Accuracy:±15 seconds/month
Day / date?No
GMT / world time?No
Chronograph?No
Rate:32,768 Hz
Number of jewels:2
Development division:Daini (Kameido, Tokyo)