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.


Winding mechanism Manual winding mechanical
Índice médio diário +5 to -3 seconds per day
Precisão com o uso normal +10 to -1 seconds per day
Reserva de marcha Approximately 72 hours
Número de rubis 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.