The Hamilton Khaki Navy Frogman Auto H77455331 is a robust 41mm stainless steel dive watch designed for underwater exploration. It features a black dial with luminous hands and indices for enhanced readability. The watch is powered by the H-10 automatic movement, offering an 80-hour power reserve. A unidirectional rotating bezel and a screw-down crown with a protective bridge ensure water resistance up to 300 meters. The timepiece is completed with a green rubber strap, providing both comfort and durability. Reference number: H77455331.