The Ohio Automatic takes its name from the awe-inspiring might and resilience of the US Navy’s OHIO class nuclear-powered ballistic submarines, and are the largest submarines ever to serve the Navy.From cutting-edge marine-grade engineering to ample luminosity, and a scratch-resistant sapphire lens - the watch is truly a feat of watchmaking designed to test the limits. Silver-tone stainless steel case and bracelet. Uni-directional rotating black stainless steel bezel. Black dial with silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 3 o'clock position. Seiko - NH35 automatic movement. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Round case shape, case size: 45 mm, case thickness: 13 mm. Band width: 24 mm, band length: 8 inches. Fold over clasp. Water resistant at 3000 meters / 10000 feet. Functions: date, hour, minute, second. Ohio Series. Dive watch style. RGMT Ohio Black Dial Men's Watch RG-8034-0I.