9S66
Automatic
Caliber 9S66 builds upon the standard 9S65 automatic movement by integrating a GMT function. Its design allows the hour hand to be adjusted independently via the crown without halting the second hand, ensuring the movement's high-accuracy timekeeping remains uninterrupted.
Caliber Details
- Manufacturer
- Grand Seiko
- Base Movement
- Grand Seiko 9S65
- Type
- Automatic
- Frequency
- 36000 vph
- Power Reserve
- 72 h
- Jewels
- 35
- Diameter
- 28.40 mm
- Display
- Analog
- Hands
- Hours, Minutes, Seconds, Additional 24 Hour Hand (adjustable)
