Stainless steel case with a black leather bracelet. Fixed stainless steel bezel with engraved tachymeter. Black dial with luminous hands and Arabic numeral and index hour markers. Altermeter and air speed scale around the outer rim. Day and date display appears at the 3 o'clock position. Chronograph - three sub-dials displaying: 1/10th seconds, 30 minutes and 60 seconds. Automatic movement. Scratch resistant sapphrie crystal. Screw down crown. Skeleton case back. Case diameter: 44 mm. Case thickness: 16 mm. Strap width: 22 mm. Water resistant at 100 meters/ 330 feet. Functions: hours, minutes, seconds, date, chronograph, tachymeter. Hamilton Khaki X Mach Men's Watch H76626535.