With a massive 46mm case, the Khaki Navy Frogman Titanium is a real ocean giant. Water resistant up to 100 bar (1,000m) it's built for the depths and to meet the demands of the toughest underwater environment. Made from lightweight but durable titanium and with a practical rubber bracelet, this is vital safety equipment for ocean explorers. Caliber H-10. Automatic. Case size 46mm. Dial color Grey. Case material Titanium. Crystal Sapphire. Black rubber strap. 22mm lug width. 80-hour power reserve. Water Resistance 100 bar (1000 m) /1450 psi (3280.8 ft). Ref# H77805380 .