42mm Stainless steel case with a black (alligator) leather strap. Fixed stainless steel bezel with a black ion-plated ring showing tachymeter meter. Black dial with luminous silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Chronograph – three sub-dials displaying: 60 second, 30 minute and 12 hour. Omega calibre 1861 hand wind movement, containing 18 Jewels, composed of 234 parts, bitting at 21600 vph, and has a power reserve of approximately 48 hours. Scratch resistant hesalite crystal. Pull / push crown. Solid case back. Round case shape. Fold over clasp with a push button release. Water resistant at 50 meters / 165 feet. Functions: chronograph, hour, minute, second, tachymeter.