Speedmaster heritage featuring the 9906 calibre movement 40. 50mm stainless steel case with a matching stainless steel bracelet Tachymeter and chronometer features Time Zone function OMEGA Master Chronometers are officially certified by METASVINTAGE ROOTSLaunched in 1957, Omegas Speedmaster collection has become truly legendary. Inspired by the legendary original model, the vintage-inspired57 models offer an aesthetic emulation of the classic design, with the addition of a slimmer profile and a Master Chronometer upgrade. UNRIVALLED PRECISIONThis 40. 50mm model features a stainless steel case, paired with a matching stainless steel bracelet. The rich, green dial features rhodium-plated hour markers and Broad Arrow hands, a date display at 6 oclock, small seconds sub-dial at 9 oclock, and 12-hour and 60-minute chronograph recorders at 3 oclock. Providing unrivalled precision, the 9906 calibre movement has been officially certified by the prestigious Swiss Federal Institute of Metr