311.33.44.51.01.001Ref

The Speedmaster stands as one of the enduring classics of the watch world. The Speedmaster Moonwatch Co-Axial retains the classic appearance of the Speedmaster Professional while using a larger case and state-of-the-art automatic movement with co-axial escapement. This particular version (reference 311.33.44.51.01.001) has a stainless steel case and an alligator strap.