Seiko 3180 movement

Type:Manual
Sub-brand:Grand Seiko
Power reserve:45 hours
GMT/world time?No
Chronograph?No
Hacking?Yes
Rate:18000 bph
Number of jewels:25
Movement size:12"
Development division:Suwa (Nagano)
Notes:This movement powered the first Grand Seiko.
Related movements: 560 341 5740

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