Seiko (SII) NH36A Automatic Movement (Black / Chinese 3.18o'clock)
- Reference Number: NH36A
- Vibrations per hour: 21,600 beats
- Power Reserve: 41 hours
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Diameter: 27.40mm (outside) / 29.36mm (casing)
- Rotor Direction:
- Bi-directional winding
- Functions: Hours, minutes, central seconds, date calendar on 3.18o'clock
- Shock System: Lower shock absorbing spring + Lower shock absorbing cap jewel + Lower hole jewel frame for shock-absorber
- Manual Winding direction: Clockwise