The Omega Speedmaster reference 311.92.44.51.01.003 features a 44mm black ceramic case. It is powered by the automatic winding Omega caliber 9300 movement, which includes a chronograph function and a date display. This model, introduced in 2013, is equipped with a co-axial escapement and is certified as a chronometer. The combination of these elements makes it a notable piece in the Speedmaster collection.