Seiko (SII) Caliber NH05A Automatic Movement
- Reference Number: NH05A
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Vibrations per hour: 21,600 beats
- Power Reserve: 50 hours
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Diameter: 17.5mm
- Rotor Direction: Bi-directional winding
- Functions: Hours, minutes, central seconds, date calendar
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Shock System: Diashock
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Manual Winding direction: Clockwise