The Omega Speedmaster reference 329.23.44.51.06.001 features a 44mm case crafted from Sedna Gold and stainless steel. This model, introduced in 2017, is powered by the automatic winding Omega caliber 9900. It includes functions such as a chronograph, date display, and is certified as a chronometer. The watch is equipped with a co-axial escapement and showcases a grey dial.