The Omega Speedmaster reference 329.33.44.51.01.001 features a stainless steel case with a diameter of 44mm. This model, introduced in 2017, is powered by the Omega caliber 9900, which utilizes automatic winding and a co-axial escapement. The watch includes a black dial and offers functions such as a chronograph, date display, and is certified as a chronometer. Its design and engineering reflect Omega's commitment to precision and reliability.