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

Whether or not you wear one everyday, having one in a collection is a must, because for those moments when you need a dress watch, nothing else will suffice. Now, Grand Seiko has unveiled a new one.

From Mount Iwate-inspired designs to diamond-set masterpieces, the brand highlights its dedication to artistry and engineering excellence.

Its deep blue dial, textured like rippling water at dawn, captures the tranquil beauty of the lake near Grand Seiko’s Shinshu Watch Studio. Powered by the cutting-edge 9RA2 Spring Drive movement ...

Credit: Sam Cross While the dust may have settled on Watches and Wonders 2025 ... One evening, I sat down with the team at Grand Seiko. The Japanese brand has long been a favourite here at ...