The Omega Speedmaster Racing Master Co-Axial was introduced at BaselWorld 2017. The case measures 44.25mm across, housing the self-winding caliber 9900.Ref. 329.32.44.51.01.001 has a black dial with orange accents and a stainless steel case. It is fitted with aperforated leather strap. It was first shown in late 2016 under the reference number 304.32.44.51.01.001.
