Trending · Announced 2026-04-14 · $12,400
Grand Seiko Spring Drive U.F.A. Ushio 300 Diver (SLGB023 / SLGB025)
Unveiled at Watches and Wonders 2026, the Ushio 300 Diver is Grand Seiko's smallest diver at 40.8mm, built in high-intensity titanium. It runs the new calibre 9RB1, described as the brand's most accurate Spring Drive movement with a rated accuracy of ±20 seconds a year.
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