Hamilton Khaki X-Mach Chronograph watch, Reference number: H766860 Diameter: 44 mm. Black PVD-coated stainless steel case. Black PVD-coated stainless steel bezel with pulsations scale. Black dial with Arabic numerals. Luminous hands and markers. Sapphire crystal. Automatic movement. Caliber Valjoux 7750. Transparent case back. Original Hamilton black rubber strap. Original Hamilton stainless steel pin buckle. Functions: Hours, minutes, chronograph, day and date display at 3 o'clock.