Grand Seiko’s secret: Spring Drive and the art of Japanese watchmaking
Grand Seiko is a Japanese luxury watch brand that broke away from mass-market Seiko in 2017 to stand on its own. It’s defined by the Spring Drive movement (a hybrid that uses a mainspring but regulates time electronically), razor-sharp polishing called Zaratsu, and dials that mimic natural textures. If you’re considering a Grand Seiko, here’s…
