Omega Ladies Constellation Chronometer Watch - 27 mm Brushed Red Gold Case - Diamond Bezel - Dark Mother-Of-Pearl Diamond Dial - 123.55.27.20.57.001 Pilot’s caliber CH 28-520 C/528 self-winding

caliber CH 28-520 C/528 self-winding movement with flyback chronograph

screw-down Everose gold crown

rhodiumized 18K white gold case set with 438 brilliant-cut diamonds

18K yellow gold screw-down crown

Water resistant to 10 bar (approx 100 meters/100 feet)

Omega Ladies Constellation Chronometer Watch - 27 mm Brushed Red Gold Case - Diamond Bezel - Dark Mother-Of-Pearl Diamond Dial - 123.55.27.20.57.001 Pilot’s caliber CH 28-520 C/528 self-winding27 mm brushed 18K red gold case, transparent back, diamond bezel, domed scratch resistant sapphire crystal with anti reflective treatment both sides, dark mother of pearl 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 red gold bracelet. Water resistant to 100 m.