Seiko 5P31 Movement Details

Seiko caliber 5P31 is an analog quartz watch movement.
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Sub-brands: Spirit, Cadet
Battery:SR920SW / 371 (Silver oxide)
Accuracy:±15 seconds/month
Day / date?No
GMT / world time?No
Rate:32,768 Hz
Number of jewels:3
Size / diameter:23.3mm (21.0mm x 19.0mm)
Development division:Daini (Kameido, Tokyo, Japan)
Notes:Has a battery life indicator function. The same as cal. 5P30 but with a seconds hand.
PDF guides: Technical guide : 5P30A, 5P31A, 5P32A & 5P39A
Related movements: 5P30 5P32 5P39

Part Codes

Stem code: 351105 (tap 10), 351546 (tap 13), 351670 (tap 11), 351671
Screw codes: 022247