Caliber 9S64
9S MECHANICAL MOVEMENT
Manual-winding
Caliber 9S64
Caliber 9S64 is a manual winding mechanical movement that achieves a stable level of precision during actual use and a power reserve of approximately three days when fully wound.
SPECIFICATIONS
Winding mechanism
Manual winding mechanism
Accuracy
(when static)
(when static)
+5 to -3 seconds per day
Note: Mean daily rate is a mean value of daily rates in a condition where the movement before assembly in a case is measured in six positions in a fixed manner under artificially controlled environment for 12 days.
Normal usage accuracy
+10 to -1 seconds per day
Power reserve
Approximately 72 hours
Vibrations
28,800 vibrations per hour (8 beats per second)
Jewels
24 jewels
What makes 9S Mechanical special?
The concept of Grand Seiko was born from the desire to build the world's best watch, and the collection continues to push precision in mechanical watches to the limits of timekeeping technology.
As a true manufacture, Grand Seiko combines the latest technology with hand craftsmanship to raise the art of mechanical watchmaking to the highest possible level.
