Spring Drive’s unique movement technology generates power through a mainspring like other mechanical watches but combines this with the Tri-synchro Regulator for extraordinary precision. 9F Quartz The ultimate quartz movement.

Spring Drive kombiniert die Präzision einer Quarzuhr mit dem Drehmoment einer mechanischen Uhr, sodass eine Uhr mit den langen Zeigern und der hohen Grand Seiko eigenen Präzision, gefertigt werden kann.

Spring Drive is a unique movement that combines the high torque of a mechanical watch with the high precision integrated circuit (IC) control system of an electronic watch. Power source Control system

9R Spring Drive. Spring Drive’s unique movement technology generates power through a mainspring like other mechanical watches but combines this with the Tri-synchro Regulator for extraordinary precision.

Caliber 9RA2 is the Spring Drive movement that best embodies these skills and their passion. Caliber 9RA2 has an accuracy rate of ±10 seconds per month and utilizes the Offset Magic Lever to reduce the movement’s thickness by 0.8mm.

9R Spring Drive. Spring Drive’s unique movement technology generates power through a mainspring like other mechanical watches but combines this with the Tri-synchro Regulator for extraordinary precision.

9R Spring Drive. Spring Drive’s unique movement technology generates power through a mainspring like other mechanical watches but combines this with the Tri-synchro Regulator for extraordinary precision.

Spring Drive combina la precisión de un reloj de cuarzo con la capacidad de torsión de un reloj mecánico, para hacer posible un reloj con agujas largas y mateniendo una alta precisión, tal como se exige en los relojes Grand Seiko.

Jan 26, 2022 · With the Spring Drive Caliber 9RA5 and the Hi-Beat 36000 Caliber 9SA5 launched in 2020, Grand Seiko took an important step forward in precision and overall performance. In 2021, a new Spring Drive movement, Caliber 9RA2, was made.

9R Spring Drive. Spring Drive’s unique movement technology generates power through a mainspring like other mechanical watches but combines this with the Tri-synchro Regulator for extraordinary precision.