Silver-tone stainless steel case and bezel with black aluminum insert. Grey dial featuring luminous silver-tone hands, index hour markers, minute outer ring markers, and analog display. Luminescent-coated hands/markers. Date function at the 6 o'clock position. Chronograph movement with three sub-dials (60 second, 30 minute, 24 hour). Powered by Omega Calibre 3330 Automatic movement based on ETA Valjoux 7753, containing 31 jewels, beats per hour: 28800, power reserve: ~52 hours. Water resistant to 100 meters / 330 feet. Includes skeleton case back and domed anti-reflective sapphire crystal. Strap is black rubber. Style: Sport Chronograph Watch with Speedmaster Racing Series branding. Swiss Made.