The Omega Speedmaster reference 311.63.44.51.99.002 features a 44mm ceramic case complemented by rose gold accents. This model, introduced in 2016, is powered by the automatic winding Omega caliber 9300. It includes a chronograph function, date display, and is certified as a chronometer. The watch showcases a striking meteorite dial and incorporates a co-axial escapement for enhanced precision.