The Hamilton Khaki Navy Frogman Auto H77455330 is a 41mm stainless steel dive watch featuring a black dial with Super-LumiNova® accents for enhanced readability. It is powered by the H-10 automatic movement, offering an 80-hour power reserve. The watch includes a screw-down crown with a protective bridge-shaped guard, ensuring water resistance up to 300 meters. It is fitted with a black rubber strap designed to evoke the sea's surface. Reference number: H77455330.