OMEGA Speedmaster Moonwatch Professional

Omega's Speedmaster Moonwatch Professional, reference 310.55.42.50.02.001, is a chronograph with a 42 mm white gold case. The case is 13.33 mm thick and measures 47.5 mm lug to lug. It carries a 50 metre rating and a display back. A scratch-resistant sapphire crystal with anti-reflective treatment inside covers the silver dial. The watch is set with diamonds. Omega calibre 3861 is manual-winding, certified as a Master Chronometer, and has a 50 hour power reserve. The dial carries small seconds and a tachymeter. A white gold bracelet is fitted, with a foldover clasp that has a comfort setting.