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Hamilton H77825331 Khaki Navy Frogman Auto 46mmWith an intrepid new look, the Khaki Navy Frogman Automatic is Hamilton’s most technically capable maritime-ready watch. Engineered for accuracy, legibility and endurance, the precision instrument brings the unfathomable power of the ocean to the wrist with a uniquely shaped crown protector and wave-look tactical rubber strap.BEHIND THE BREATHFor freediver Pierre Frolla, every fear is an opportunity and every challenge is a new goal.A HERO UNDERWATER AND ON LANDA hero of the deep, its intrepid new design brings the unfathomable power of the ocean to the wrist.SELF-WINDINGWrist movements cause the inner rotor to swing, transferring energy to the mainspring, and powering your timepiece.STAINLESS STEEL CASEA highly resistant alloy composed of steel and chromium. It can be worked to resemble a precious metal. It is nearly impervious to rust, tarnish, and corrosion.SAPPHIRE CRYSTALSynthetic sapphire crystal is a tough scratch-resistant material, only diamonds could leave a mark.WATER RESISTANCEYour timepiece is resistant up to 30 bar (300m) / 435 psi (934 ft).NIVACHRON™ BALANCE SPRINGNivachron™ is an alloy used to produce balance spring to resist magnetic fields and improve accuracy. It reduces the effects of magnets, temperature, and shocks.H-10 CALIBERA three-hand automatic movement boasting a superior power reserve of 80 hours and featuring a Nivachron™ balance spring.
Hamilton H77825331 Khaki Navy Frogman Auto 46mmWith an intrepid new look, the Khaki Navy Frogman Automatic is Hamilton’s most technically capable maritime-ready watch. Engineered for accuracy, legibility and endurance, the precision instrument brings the unfathomable power of the ocean to the wrist with a uniquely shaped crown protector and wave-look tactical rubber strap.BEHIND THE BREATHFor freediver Pierre Frolla, every fear is an opportunity and every challenge is a new goal.A HERO UNDERWATER AND ON LANDA hero of the deep, its intrepid new design brings the unfathomable power of the ocean to the wrist.SELF-WINDINGWrist movements cause the inner rotor to swing, transferring energy to the mainspring, and powering your timepiece.STAINLESS STEEL CASEA highly resistant alloy composed of steel and chromium. It can be worked to resemble a precious metal. It is nearly impervious to rust, tarnish, and corrosion.SAPPHIRE CRYSTALSynthetic sapphire crystal is a tough scratch-resistant material, only diamonds could leave a mark.WATER RESISTANCEYour timepiece is resistant up to 30 bar (300m) / 435 psi (934 ft).NIVACHRON™ BALANCE SPRINGNivachron™ is an alloy used to produce balance spring to resist magnetic fields and improve accuracy. It reduces the effects of magnets, temperature, and shocks.H-10 CALIBERA three-hand automatic movement boasting a superior power reserve of 80 hours and featuring a Nivachron™ balance spring.