The Omega Speedmaster reference 329.30.43.51.03.001 features a stainless steel case with a diameter of 43mm. This model, released in 2021, is powered by the Omega caliber 9908, a manual winding movement. It includes a chronograph function and is certified as a chronometer. The watch is equipped with a co-axial escapement and showcases a blue dial. This combination of features makes it a notable addition to the Speedmaster collection.