New old stock, running perfectly. Never worn, new in box with booklets. Hamilton Khaki Base Jump H797860 Titanium Black Men's chronograph Watch. Genuine Hamilton Khaki Base Jump chronograph Timepiece designed for extreme sports, i.e. jumping off buildings, towers, bridges or natural features, and landing with a parachute.Chronograph with automatic movement ETA Valjoux 7750 and a generously sized case, 51 mm in diameter, made of titanium, in a black finish.A very distinctive feature of the Khaki Base Jump Chrono is that the chronograph function can be activated by the rotating bezel. Scratch resistant sapphire crystal. Titanium case is 50mm. Original Hamilton rubber strap