Omega Constellation Co-Axial Master CHRONOMETER Small Seconds Petite Seconde Watch - 27 mm Yellow Gold Case - White Mother-Of-Pearl Diamond Dial - 127.55.27.20.55.002 ORBIS bidirectional rotatable 24-hour graduated bezel

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

white dial

black diagonal motif dial

and stainless steel and 18K yellow Oyster bracelet

diamond hour markers and scratch-resistant sapphire crystal

Omega Constellation Co-Axial Master CHRONOMETER Small Seconds Petite Seconde Watch - 27 mm Yellow Gold Case - White Mother-Of-Pearl Diamond Dial - 127.55.27.20.55.002 ORBIS bidirectional rotatable 24-hour graduated bezel27 mm 18K yellow gold case, transparent back, domed scratch resistant sapphire crystal anti reflective treatment on both sides, white pearled mother of pearl dial with 10 diamond indexes and a date window at 6 o'clock, Caliber Omega 8705 self winding movement with co axial escapement, chronometer, date, approximately 50 hours of power reserve, yellow gold bracelet. Water resistant to 10 bar (100 metres 330 feet).