An authentic Omega Speedmaster Chronoscope Co-Axial Master Chronometer Chronograph watch with model number 329.30.43.51.03.001. Features a stainless steel case, silver stainless steel bracelet, fixed tachymeter bezel, blue dial adorned with rhodium-plated leaf hands and Arabic numeral hour markers featuring three timing scales (tachymeter, pulsometer, telemeter) in a snail design along with two sub-dials displaying 60 minutes and 12 hours. Powered by an Omega Co-Axial Master Chronometer movement with a 60-hour power reserve. Equipped with scratch-resistant sapphire crystal glass, manual winding capability, round case shape measuring 43mm in diameter, transparent case back, offering 50 meters (165 feet) water resistance and comes with a 2-year WatchMaxx warranty.