Stainless steel case with a stainless-steel bracelet. Fixed stainless-steel bezel with black aluminum best ring showing tachymeter markings. Black dial with luminous silver-tone hands and index hour markers. Minute markers across the outer rim. Dial Sort: Analog. Luminescent hands and markers. Date display on the 6 o’clock position. Chronograph – three sub-dials displaying: 60 second, 30 minute and 12 hour. Omega calibre 3330 automatic movement with a 52-hour power reserve. Scratch resistant sapphire crystal. Pull / push crown. Solid case back. Case size: 40 mm. Case thickness: 15 mm. Round case form. Band width: 19 mm. Band length: 8.5 inches. Deployment clasp with a push button liberate. Water-resistant at 100 meters / 330 feet. Functions: chronograph, date, hour, minute, second, chronometer, tachymeter. Luxury watch taste. Watch label: Swiss Made. Item Variations: 326 30 40 50 01 001, 326-30-40-50-01-001, 326/30/40/50/01/001, 32630405001001. Omega Speedmaster Racing Automatic Chronograph Men’s Watch 3188.8.131.52.01.001.