Speedmaster heritage featuring the 9906 calibre movement 40.50mm stainless steel case with a matching stainless steel braceletTachymeter and chronometer features Time Zone function OMEGA Master Chronometers are officially certified by METAS VINTAGE ROOTSLaunched in 1957, Omega’s Speedmaster collection has become truly legendary. Inspired by the legendary original model, the vintage-inspired ’57 models offer an aesthetic emulation of the classic design, with the addition of a slimmer profile and a Master Chronometer upgrade. UNRIVALLED PRECISION This 40.50mm model features a stainless steel cas