The Khaki Navy Frogman Automatic stands out for its technical performance and distinctive look. Its 41mm stainless steel case features a screw-down crown protected by a robust bridge-shaped crown guard to ensure its 30 bar (300m) water-resistance, a nod to the original Frogman?s design. Boasting a black dial with touches of Super-LumiNova? to ensure precise readings under any circumstances, this 41mm Khaki Navy Frogman Automatic is fitted with a green waved rubber strap evoking the moving sea surface. Functional and wearable at once, this timepiece is a hero underwater and on land. Reference : H77455331 Caliber : H-10 Collection : Khaki Navy Movement : Automatic Case size : 41mm Dial color : Black Case material : Stainless steel Crystal : Sapphire Lug width : 20mm Power reserve : 80 hour Water Resistance : 30 bar (300m)/435 psi (934.2ft) Anti Reflection : Yes Screw Down Crown : Yes Nivachron : Yes BRACELET/STRAP Strap reference : H77455331 Strap type : Rubber Buckle type : Pin buckle Buckle width : 18mm A three-hand movement with or without a date function and boasting a superior power reserve of 80 hours, the H-10 appears with intricate contrasting snail and pearled patterns for the American Classic models it drives and streamlined surfaces for the pilots? watches.