Translating to “tide” in English, Grand Seiko’s “Ushio 300” Spring Drive U.F.A. Diver watch (ref. SLGB025), with its textured green dial, captures the waters that ring the Japanese coastline, invoking the many tide pools and shallows that have shown up in Japanese art and craft for centuries.
We were fortunate enough to see the all-new Ushio 300 for the first time back in Geneva, in a room perfectly suitable for the occasion. But one that had nothing on Grand Seiko’s own boutique in…

