Seiko NH36A movement description
A reliable movement from Seiko (For cases with 3 O'Clock crown position)
Key specifications:
- Up to 41+ hours of power reserve
- BPH: 21600
- Accuracy: -20~+40 sec per day
- Hack-second or stop-second feature allows you to set the time precisely
- 24 Jewels
- Function: 3 Hands, Automatic and hand winding
- Diameter: 27.40 mm