Every product is carefully selected by our editors. If you buy from a link, we may earn a commission. Learn more Grand Seiko has launched a new Spring Drive movement that’s accurate to within 20 ...

Saying that Seiko’s most accurate watch is any Grand Seiko Spring Drive is correct because it is the brand’s mechanical movement with the lowest variance. You would be equally correct to claim ...

For Watches & Wonders 2025, the Japanese watchmaker unveils its Calibre 9RB2, which is accurate within a range of 20 seconds ...

Grand Seiko says the watch’s accuracy is -10/+10 seconds per month, while water resistance is 10 bar (about 100 metres). The Grand Seiko Spring Drive Lake Suwa Before Dawn is priced at £8,700 ...

Grand Seiko has created a mechanical movement capable of such precision timekeeping the company has coined its own Ultra Fine Accuracy certification, or UFA as it will be shown on dials that meet the ...

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

Credit: Sam Cross While the dust may have settled on Watches and Wonders 2025 ... This year was no different – it unveiled a ...

From Grand Seiko Spring Drive UFA to Cartier Tressage and Rolex Land-Dweller, we look at six timepieces that made their debut ...

Learn more There are different ways to measure timekeeping accuracy. Saying that Seiko’s most accurate watch is any Grand Seiko Spring Drive is correct because it is the brand’s mechanical movement ...