The Omega Speedmaster Racing Co-Axial Master Chronometer Chronograph 44,25mm is an automatic men's watch, model reference 329.30.44.51.01.001. This chronograph timepiece is suitable for daily wear, its robust construction lending itself to diverse settings. The stainless steel bracelet and case offer a distinguished profile. It is a functional instrument for the discerning collector. Key details Brand: Omega Type: Men's watch Material: Stainless steel Dial: Black Diameter: 44.25 mm Movement: Automatic Caliber 9900 Water resistance: 50 m