OMEGA Speedmaster Moonwatch Professional

Omega's Speedmaster Moonwatch Professional 310.55.42.50.13.001 is a chronograph with a 42 mm round case in Sedna gold. The case is 13.33 mm thick and measures 47.5 mm lug to lug. Calibre 3861 is a manual-winding movement with a 50 hour power reserve, and the watch is a Master Chronometer. The crystal is sapphire with an anti-reflective treatment inside, and the watch has a display back. The brown dial carries a tachymeter scale and small seconds, and the watch is set with diamonds. Omega rates the case to 50 metres. A Sedna gold bracelet is fitted, with a foldover clasp with comfort setting.