Introducing the Grand Seiko Spring Drive U.F.A. Ushio 300 Divers ✓ At last, smaller Grand Seiko dive watches enter the lineup ...

Grand Seiko launches the Spring Drive SBGY043, SBGD228, and SBGZ011 at Watches and Wonders 2026 ✓ Explore them here on ...

The Grand Seiko Spring Drive is a mechanical movement exclusive to the Japanese watch company. It mimics the accuracy and operation of a quartz movement without a secondary power source. It was a ...