The Omega Speedmaster reference 304.93.44.52.99.004 features a 44mm grey ceramic case with platinum accents. This automatic winding timepiece is powered by the Omega caliber 9905, known for its co-axial escapement. Introduced in 2019, it includes functions such as a chronograph, moonphase, and date display. The watch is also certified as a chronometer, ensuring precision in timekeeping.