Seiko 3180 Movement Details

Seiko caliber 3180 is a high grade hand winding watch movement produced from around 1960.

Sub-brands: Grand Seiko
Power reserve:45 hours
Day / date?No
GMT / world time?No
Chronograph?No
Hacking?Yes
Rate:18,000 bph
Number of jewels:25
Size / diameter:27.6mm
Height:4.4mm
Stem code: 351572
Balance wheel code: 310640
Mainspring code: 401640
Development division:Suwa (Nagano)
Notes:This movement powered the first Grand Seiko.
Related movements: 341 560 5740

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