Omega Style No: 123.50.27.20.57.001 Omega Ladies Constellation Chronometer Watch - 27 mm Brushed Red Gold Case - Mother-Of-Pearl Diamond Dial

27 mm brushed 18K red gold case, transparent back, domed scratch-resistant sapphire crystal with anti-reflective treatment both sides, fancy mother-of-pearl dial with diamond hour markers, self-winding chronometer Omega 8520 movement with Co-Axial Escapement, date, and seconds, approximately 50 hours of power reserve, 18K red gold bracelet. Water resistant to 100 m.