The Omega Speedmaster reference 522.30.43.51.02.001 features a stainless steel case with a diameter of 43mm. This model is powered by the manual winding Omega caliber 9908 and includes a chronograph function. It is certified as a chronometer and incorporates a co-axial escapement for enhanced precision. The watch is presented with a silver dial and is part of the 2024 collection.