Black dial, black strap, nothing to distract: the Hamilton Khaki Navy Frogman Auto H77455330 is the stealthiest way to wear the Frogman. It’s a 41mm stainless steel diver on a black waved rubber strap, designed for people who want a capable, low-key tool watch that looks just as good off duty as it does in the water.

The Frogman line traces back to Hamilton watches made for U.S. Navy frogman teams, a model that later earned screen time in the 1951 film The Frogmen. This modern take keeps the original’s most distinctive feature, the bridge-shaped crown guard that wraps around the screw-down crown, and pairs it with Super-LumiNova on the hands and markers for readability in any light.

Inside is the automatic H-10 caliber with an 80-hour power reserve and a Nivachron balance spring for better resistance to magnetism. At 13.09mm thick it wears neatly for a 300-meter diver, and the wave-patterned rubber strap is comfortable, quick-drying and ideal for summer, travel and the gym.

Khaki Navy Frogman H77455330 specifications

• Case: stainless steel, 41mm diameter, 13.09mm
• Dial: black, Super-LumiNova markers and hands
• Movement: automatic H-10, hours, minutes and seconds
• Power reserve: 80 hours
• Balance spring: Nivachron
• Crystal: anti-reflective sapphire
• Water resistance: 300m with screw-down crown
• Strap: black waved rubber, pin buckle, 20mm lug width

Understated, tough and ready for wherever the water takes you.