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Grand Seiko’s Spring Drive UFA Ushio 300 diver is the most accurate automatic watch ever made

We are taught not to judge a book by its cover, but when it comes to watches, only a few seconds on the wrist can leave a lasting impression. That was my experience with the Grand Seiko diver at ...

Built for the Ocean, Tailored for the Daily Grind: The Versatility of Grand Seiko’s "Ushio"

Powered by the new Spring Drive Caliber 9RB1, these timepieces deliver the absolute pinnacle of mainspring-driven precision ...