Grand Seiko has introduced a new diver watch, referred to as the "Ushio" Diver Spring Drive U.F.A. The watch is part of the company's Evolution 9 Spring Drive series and has been showcased at Watches & Wonders 2026, alongside other new releases. Details of the watch's features and comparisons to other timepieces, such as the Rolex Yacht-Master, are being reported by various outlets.