Seiko is one of the world's legendary watch brands, and the Men's SKX009K2 Diver's is a great addition to their automatic diver's collection. The automatic movement is battery-free and can operate for up to 40 hours without winding. The two-tone rotating bezel has luminous hands, with ½ minute detentes. It has a 3 o'clock window that displays the day and date. The stainless steel case is 42mm in diameter and 13mm thick, with a rugged Hardlex dial window, and the watch is water resistant up to 200 meters (660 ft.). The five-link stainless steel band is 22mm wide, secured with a sturdy fold-over safety clasp.