These quality timepieces from Hamilton’s Khaki Navy collection are at home in, on and under the water with features such as luminesce to aid deep dives and timekeeping in dark situations. This collection is eye-catching as well as high functional. Core Features of the Khaki Navy Frogman Auto: The original Hamilton Frogman was created for U.S. Naval 'Frogman' teams and featured in the 1951 smash-hit movie 'The Frogmen'. The models within this collection are powered by Hamilton’s H-10 automatic movement which has a power reserve of up to 80 hours. Each model within this collection comes with a unidirectional bezel. The dials within this collection are protected by scratch-resistant sapphire glass. The watches in this collection are water-resistant up to 300m (30 bar). Model Specifications H77825331: This model showcases a black, green and silver colour scheme with red features. The case of this model is made from high-quality stainless steel and measures 46mm. The strap is also made from green rubber. Features on the model include a new crown shape to more closely match that of the original Frogman and a Nivachron anti-magnetic hairspring.