The Omega Speedmaster reference 329.33.44.51.04.001 features a stainless steel case with a diameter of 44mm. This model, introduced in 2017, is powered by the automatic winding Omega caliber 9900. It includes a white dial and offers functions such as a chronograph, date display, and is certified as a chronometer. The watch is equipped with a co-axial escapement, enhancing its precision and reliability.