Seiko 3Y09 Movement Details

Seiko caliber 3Y09 is an analog quartz watch movement.
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Battery:SR621SW / 364 (Silver oxide)
Accuracy:±20 seconds/month
Day / date?Date only
GMT / world time?No
Number of jewels:1
Size / diameter:17.1mm
Development division:Daini (Kameido, Tokyo, Japan),Suwa (Nagano Prefecture, Japan)
Notes:Used in ladies watches.
PDF guides: Technical guide : 3Y02A, 3Y03A & 3Y09A
Related movements: 3Y02 3Y03

Part Codes

Stem code: 351546 (tap 13)
Date wheel code: 801756 (black on white), 801764 (black on gold)
Screw codes: 012766, 022411