Seiko 3Y03 Movement Details

Seiko caliber 3Y03 is an analog quartz watch movement.
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Sub-brands: SQ
Battery:SR621SW / 364 (Silver oxide)
Accuracy:±20 seconds/month
Day / date?Day + date
GMT / world time?No
Number of jewels:1
Size / diameter:17.1mm
Development division:Daini (Kameido, Tokyo, Japan)
Notes:Used in ladies watches. The same as cal. 3Y02 but with a day display (as well as date).
PDF guides: Technical guide : 3Y02A, 3Y03A & 3Y09A
Related movements: 3Y02 3Y09

Part Codes

Stem code: 351546 (tap 13)
Date wheel code: 801752 (black on white)
Screw codes: 012766, 022411