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 Batman black calfskin strap with interchangeable

black calfskin strap with interchangeable strap

brown Santoni calfskin strap

approximately 45 hour of power reserve

screw-down Everose back

nine sided crown with a cut diamond

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 Batman black calfskin strap with interchangeable27 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).