Hamilton Mens Khaki Navy Pioneer - H77715553 Imported This finely crafted classical watch was inspired by the marine chronometers produced by Hamilton in the 1940s An up-to-the-minute H-10 movement provides today's timepiece with 80 hours of power reserve Flamed blue hands are indicative of the brand's long watchmaking heritage.Stainless SteelLug Width 22MMAutomaticCase Size: 43MMOpen Case BackSapphire CrystalWater Resistance: 10 bar (100 m) /145 psi (328 ft)Style#: H77715553