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 ...

Seiko is commemorating the 20th anniversary of its state-of-the-art Spring Drive technology with the release of an extraordinary collection blending Japanese precision with avant-garde design. The ...

Grand Seiko has launched a new Spring Drive movement that’s accurate to within 20 seconds per year The revolutionary hybrid engine debuts in two striking new models One of the models, SLGB003, also ...

Seiko exponentially improves the accuracy of its Spring Drive movement, now measured in seconds per year, rather than month.

We wore these new limited-edition Spring Drive models from Grand Seiko ahead of their release, and the dials struck us as thoroughly astounding. This is not a huge surprise, as Grand Seiko has put the ...

SLGB005 “Violet Dawn” is Grand Seiko’s Ice Forest watch in Ever-Brilliant Steel It features a highly accurate Spring Drive U.F.A. movement with a rate of ±20 seconds per year Limited to 1,300 pieces; ...