Engineered for extreme underwater performance, the Hamilton Khaki Navy Frogman Automatic is a bold, maritime timepiece built for professional-grade endurance. Its rugged PVD-coated steel case, specialized crown protector, and wave-textured rubber strap reinforce its role as Hamilton’s most technically advanced diver’s watch to date.

Key Features

Professional Dive Design

• Oversized 46mm stainless steel case with black PVD coating for a tactical finish

• Uniquely shaped crown protector ensures added security at depth

• Wave-patterned black dial with bold luminous hands and hour markers for maximum legibility

• Sapphire crystal with anti-reflective coating

• Wave-textured black rubber strap with H-style buckle closure

Automatic Precision

• Powered by the H-10 automatic movement with an 80-hour power reserve

• Features the highly durable Nivachron™ balance spring for enhanced anti-magnetic resistance

• Smooth, three-hand time display

Built for the Deep

• Water resistant to 30 bar (300m / 1000ft), suitable for saturation diving

• Screw-down crown for improved underwater sealing

• Lug width: 22mm | Buckle width: 20mm

• Case thickness: 13.58mm

The Khaki Navy Frogman H77845330 fuses aggressive styling with extreme underwater functionality. Built for divers and adventurers, it combines Hamilton’s technical know-how with a bold visual identity — anchored by a robust 80-hour movement and striking maritime design. This is a diver’s watch that’s ready for the unknown.