The Omega Speedmaster reference 329.32.44.51.06.001 features a stainless steel case with a 44mm diameter. This model, introduced in 2017, is powered by the Omega caliber 9900, which utilizes automatic winding. The watch includes a grey dial and offers functions such as a chronograph, date display, and chronometer certification. Additionally, it incorporates a co-axial escapement for enhanced precision and reliability.