The mechanical caliber 9S showcases traditional craftsmanship of the very highest standard.
Caliber 9F takes quartz timekeeping to a new level of refinement.
Spring Drive caliber 9R uses the most advanced watchmaking technology on earth to solve the oldest challenge of all, namely to represent in a watch the true, precise, and continuous nature of time.
Fifty years since its creation, the Grand Seiko anniversary collection demonstrates once again Grand Seiko's determination to be at the forefront of watchmaking innovation.

Quartz.

A quartz caliber that surpasses all existing quartz standards. Accuracy, legibility and reliability. These have always been the Grand Seiko goals and caliber 9F achieves them as no quartz watch has ever done before.

Mechanical

The 9S Mechanical Caliber. 50 years of continuous development has lead to a new, high-precision mechanical movement that honors the Grand Seiko tradition.

Spring Drive

Spring Drive. The latest and finest expression of SEIKO's excellence in every aspect of the watchmaker's art. Spring Drive is the only watch movement that precisely reflects the natural and eternal flow of time.
Spring Drive brings a quiet revolution to the industry by combining the craftsmanship of mechanical watchmaking with an important new advance in high technology, the Tri-Synchro regulator.

Spring Drive Chronograph

The Grand Seiko Spring Drive Chronograph. The only luxury chronograph to measure elapsed time exactly, not merely to the nearest fraction of a second, thanks to the unique 'glide motion' of the hands.