The Omega Speedmaster reference 329.53.44.51.03.001 features a 44mm case crafted from Sedna Gold. This model, introduced in 2017, is powered by the automatic winding Omega caliber 9901. It includes a blue dial and offers functions such as a chronograph, date display, and is certified as a chronometer. The watch also incorporates a co-axial escapement, enhancing its precision and reliability.