Grand Seiko has revealed what it claims to be the most accurate mainspring-powered watch ever made at Watches and Wonders.

Grand Seiko’s presence at Watches and Wonders is always highly anticipated around the Man of Many office, and this year, the Japanese watchmaking powerhouse hasn’t disappointed, launching five ...

Grand Seiko has revealed what it claims to be the most accurate mainspring-powered watch ever made at Watches and Wonders. Called the SLGB003 and part of the new Evolution 9 Collection ...