Stainless steel case with a black (alligator) leather strap. Fixed stainless steel bezel with a black top ring showing tachymeter markings. Black dial with luminous silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 6 o'clock position. Chronograph - two sub-dials displaying: 60 second and 12 hours. Omega calibre 9300 automatic movement with a 60-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Skeleton case back. Tonneau case shape. Case size: 44.25 mm. Case thickness: 14 mm. Band width: 20 mm. Band length: 7 inches. Deployment clasp with a push button release. Water resistant at 100 meters / 330 feet. Functions: chronograph, tachymeter, date, hour, minute, second, chronometer, tachymeter. Luxury watch style. Watch label: Swiss Made. Item Variations: 311 33 44 51 01 001, 311-33-44-51-01-001, 311/33/44/51/01/001, 31133445101001. Omega Speedmaster Moonwatch Co-Axial Chronograph Men's Watch 311.33.44.51.01.001.
