Omega Ladies Constellation Chronometer Watch - 27 mm Brushed Steel Case - Diamond Bezel - Black Dial - 123.15.27.20.01.001 Oyster Caliber Omega 8704 self winding

Caliber Omega 8704 self winding movement with co-axial escapement

37mm Rolesium case comprised of a 904L steel monobloc middle case

bidirectional rotatable 24-hour graduated bezel with black and blue Cerachrom insert and engraved numerals

silver sundust dial

Omega Ladies Constellation Chronometer Watch - 27 mm Brushed Steel Case - Diamond Bezel - Black Dial - 123.15.27.20.01.001 Oyster Caliber Omega 8704 self winding27 mm brushed stainless steel case, transparent back, diamond bezel, domed scratch resistant sapphire crystal with anti reflective treatment both sides, black dial with stars, self winding chronometer Omega 8520 movement with Co Axial Escapement, date, and seconds, approximately 50 hours of power reserve, stainless steel bracelet. Water resistant to 100 m.