With this Speedmaster Racing Master Chronometer, we immediately see spirit and design inspiration of the Omega\'s past. Stainless steel case with a black alligator leather strap. Fixed stainless steel bezel with a black ceramic top ring showing tachymeter markings. White dial with luminous black hands and index hour markers. Minute markers around the outer rim. Luminescent hands and markers. Date display at the 6 o\'clock position. Chronograph - two sub-dials displaying: 60 second and 12 hours. Omega calibre 9900 automatic movement with a 60-hour power reserve. Scratch resistant sapphire crystal. Pull / push crown. Transparent case back. Round case shape. Case size: 44.25 mm.Deployment clasp with a push button release. Water resistant at 50 meters. Functions: chronograph, tachymeter, date, hour, minute, second,anti-magnetic