Seiko 1320 Movement Details

Seiko caliber 1320 is a high grade analog quartz watch movement. Production started around 1979.
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Sub-brands: Socie, Credor
Battery:SR621SW / 364 (Silver oxide)
Accuracy:±15 seconds/month
Day / date?No
GMT / world time?No
Rate:32,768 Hz
Number of jewels:6
Size / diameter:17.1mm x 8.4mm
Development division:Daini (Kameido, Tokyo, Japan)
Notes:Used in ladies watches.
PDF guides: Technical guide : 1320A

Part Codes

Stem code: 351130 (short), 351131
Screw codes: 012155 (dial screw), 012465, 012466