Omega Constellation OMEGA Co-Axial Master Chronometer - 39 mm Steel And Yellow Gold Case - Champagne Dial - 131.20.39.20.08.001 34 Caliber Omega 8704 self winding

Caliber Omega 8704 self winding movement with co-axial escapement

black shell dial

dark brown alligator leather strap by santoni

engraved back with Expedition Jacques-Yves Cousteau" on the edge and the explorer's image in the center

dark brown alligator leather strap by santoni with quick-change system

Omega Constellation OMEGA Co-Axial Master Chronometer - 39 mm Steel And Yellow Gold Case - Champagne Dial - 131.20.39.20.08.001 34 Caliber Omega 8704 self winding39 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, sun brushed champagne dial 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 metres (167 feet).