Seiko (SII) NH34A Automatic GMT Movement (6o'clock Black)
- Reference Number: NH34A
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Vibrations per hour: 21,600 beats
- Power Reserve: 41 hours
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Diameter: 27.40mm (outside) / 29.36mm (casing)
- Height: 5.32mm
- Functions: Central hours; central minutes; central seconds; central GMT hand; date at 6:00
- Shock System: Seiko Diashock
- Manual Winding direction: Clockwise