OMEGA Speedmaster Racing

Omega's Speedmaster Racing, reference 329.53.44.51.03.001, is a rose gold chronograph with a case measuring 44.25 mm across. The case runs 50 mm lug to lug and pairs with a lug width of 21 mm. A domed sapphire crystal with antireflective treatment on both sides covers the blue dial. Inside is the self-winding calibre 9901, a Master Chronometer movement with column wheel construction, a silicon balance spring and a 60 hour power reserve. The chronograph adds small seconds and a tachymeter scale, and the sapphire caseback shows the Sedna gold rotor and Geneva waves finishing. It comes on a blue alligator leather strap with a rose gold foldover clasp. Water resistance is rated to 50 metres.