Omega Ladies Constellation Chronometer Watch - 27 mm Brushed Yellow Gold Case - Diamond Bezel - Champagne Supernova Diamond Dial - 123.55.27.20.58.001 steel-and-yellow-gold 18K white gold fluted bezel

18K white gold fluted bezel with bidirectional rotatable Rolex Ring Command

18K white gold bezel set with 29 diamonds and 30 sapphires

Introduced at Baselworld 2015

Oysterlock folding safety buckle with Rolex glidelock extension system

Omega Ladies Constellation Chronometer Watch - 27 mm Brushed Yellow Gold Case - Diamond Bezel - Champagne Supernova Diamond Dial - 123.55.27.20.58.001 steel-and-yellow-gold 18K white gold fluted bezel27 mm brushed 18K yellow gold case, transparent back, diamond bezel, domed scratch resistant sapphire crystal with anti reflective treatment both sides, champagne supernova dial with diamond hour markers, self winding chronometer Omega 8521 movement with Co Axial Escapement, date, and seconds, approximately 50 hours of power reserve, 18K yellow gold bracelet. Water resistant to 100 m.