Seiko 2639 Movement Details

Seiko caliber 2639 is an analog quartz watch movement.
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Sub-brands: Chariot
Battery:SR927SW / 395 (Silver oxide)
Accuracy:±15 seconds/month
Day / date?Date only
GMT / world time?No
Chronograph?No
Rate:32,768 Hz
Number of jewels:2
Size / diameter:25.4mm
Height:3.23mm
Development division:Daini (Kameido, Tokyo, Japan)
PDF guides: Technical guide : 2639A
Related movements: 2632 2633

Part Codes

Stem code: 354260 (short), 354262, 372261 (movement side), 373250 (crown side)
Screw codes: 012151, 012159, 012452 (case screw), 012768, 012781