Grand Seiko 9S63

The Grand Seiko 9S63 is a manual-winding mechanical movement operating at 28,800 vph with a 72-hour power reserve. It features a small seconds subdial and a power reserve indicator, both visible on the dial. The movement contains 33 jewels and is entirely in-house, representing Grand Seiko's mechanical craftsmanship. Introduced in 2010, the 9S63 remains in production and serves as the base for several dress watches in the Grand Seiko collection.