Introducing the Grand Seiko SLGC001 Tentagraph, the first mechanical chronograph from Grand Seiko. This automatic high-beat chronograph features a power reserve of 72 hours, the longest-running 10-beat chronograph on the market, and is made with high-intensity titanium and scratch-resistant ceramic. With a design inspired by the magnificent Mt. Iwate, the Tentagraph is emblematic of the next generation of Grand Seiko Evolution 9 watches. Pre-order now for estimated shipping in June 2023 and enjoy a 5-year warranty. Shop now for this stunning men's watch.