Stainless steel case with a stainless steel bracelet. Fixed stainless steel bezel with a black aluminium top ring showing tachymeter markings. Grey 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 hours. Omega calibre 3330 automatic movement with a 52-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Round case shape, case size: 38 mm. Case thickness: 13.2 mm. Band width: 18 mm. Fold over clasp with a push button release. Water resistant at 100 meters / 330 feet. Functions: chronograph, tachymeter, hour, minute, second. Luxury watch style. Watch label: Swiss Made. Omega Speedmaster Co-Axial Automatic Mens Chronograph Watch 324.30.38.50.06.001.