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 Strap calibre 9300 self-winding chronograph movement

calibre 9300 self-winding chronograph movement with column wheel mechanism and co-axial escapement for greater precision stability and durability

caseback stamp and riveted oyster bracelet available on the side

Louis Cartier obliged

instantaneous annual calendar at 3 o'clock and rapid-setting of the date

Bezel is almost spotless one tiny nick exception

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 Strap calibre 9300 self-winding chronograph movement27 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).