OMEGA Speedmaster 38

The Omega Speedmaster 38, reference 324.15.38.50.63.001, is a chronograph with a steel case measuring 38 mm across. Thickness comes in at 14.73 mm with a lug-to-lug span of 44.96 mm. The brown dial sits under a sapphire crystal treated with anti-reflective coating on both sides. Inside is the self-winding calibre 3330, a column-wheel chronograph movement with a Co-Axial escapement and a free sprung-balance fitted with a silicon balance spring, offering 52 hours of power reserve and officially certified as a chronometer. The dial also carries a small seconds display and a date window, and the watch is set with diamonds. It comes on a steel bracelet fitted with a foldover clasp that has a comfort setting. Water resistance is rated to 100 metres.