The OMEGA Speedmaster Racing Co-Axial Chronograph 3188.8.131.52.01.001 is a 40mm steel-on-steel, which is presented on a stainless steel bracelet. It is a legendary and proud production of OMEGA that has been to six lunar missions so far. Its simple yet captivating design represents the adventurous pioneering nature of the brand. The black dial features with included date window, three sub-dials, hands, and indices. Each sub-dial is enhanced by “Clous de Paris” pattern. Around the case is the bezel that comes with tachymeter scale on its matt black aluminium ring. Driving this powerful Speedmaster Racing model is the Co-Axial calibre 3330.