Omega Constellation OMEGA Co-Axial Master Chronometer - 36 mm Steel And Yellow Gold Case - Champagne Diamond Dial - 131.20.36.20.58.001 Code 11.59 Caliber Omega 8520 self winding

Caliber Omega 8520 self winding movement with co-axial escapement

Model Number 26631IO

Brand Audemars Piguet Series Royal Oak Tourbillon Extra-Thin Model Number 26520BC

screw-locked crown CROWN Screw Down BEZEL Gem Set MOVEMENT Automatic HANDS Luminous DIAL COLORS Skeleton DIAL TYPE Analog BAND MATERIAL Yellow Gold CLASP AP Folding Clasp WATER RESISTANCE 50 Meters (165 Feet) GENDER Men's

Omega Constellation OMEGA Co-Axial Master Chronometer - 36 mm Steel And Yellow Gold Case - Champagne Diamond Dial - 131.20.36.20.58.001 Code 11.59 Caliber Omega 8520 self winding36 mm steel and yellow gold case with anti magnetic protection, transparent back, bezel engraved with Roman numerals, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, silk embossed champagne dial with diamond indexes with date at 6 oclock, Calibre Omega 8800 self winding co axial master chronometer movement with date, approximately 55 hours of power reserve, steel and yellow gold bracelet. Water resistant to 50