But Grand Seiko didn’t get the memo. The brand’s Spring Drive technology — a proprietary battery-free hybrid of mechanical watch movements with quartz oscillators — has become a signature for the ...

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

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

Saying that Seiko’s most accurate watch is any Grand Seiko Spring Drive is correct because it ... The newest Astron references run on Seiko’s 5X83 solar-powered, satellite-linked quartz movement. It ...

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 ...

One evening, I sat down with the team at Grand ... movement ever. So, without any further ado, let's take a quick look at the ...

Close to the darker red used by pre-war Alfa Romeo race cars – including those run by then-Grand Prix ... is powered by Seiko’s in-house Japanese V192 movement. This is a quartz movement ...

One brand you definitely cannot miss out is Grand Seiko ... The 9R66 Spring Drive movement makes this far more than just a quartz watch. Combining the best of both mechanical and quartz designs ...