Omega Ladies Constellation Chronometer Watch - 27 mm Brushed Steel And Red Gold Case - Blue Supernova Diamond Dial - 123.20.27.20.53.001 Case 27 mm stainless steel and

27 mm stainless steel and 18K yellow gold case

pearled mother-of-pearl dial and a date window at the 6 o'clock position

approximately 70 hours of power reserve

screw-down back

40mm Oystersteel case

Omega Ladies Constellation Chronometer Watch - 27 mm Brushed Steel And Red Gold Case - Blue Supernova Diamond Dial - 123.20.27.20.53.001 Case 27 mm stainless steel and27 mm brushed stainless steel and 18K red gold case, transparent back, domed scratch resistant sapphire crystal with anti reflective treatment both sides, blue supernova dial with diamond hour markers, self winding chronometer Omega 8520 movement with Co Axial Escapement, date, and seconds, approximately 50 hours of power reserve, stainless steel and 18K red gold bracelet. Water resistant to 100 m.