Omega Constellation OMEGA Co-Axial Master Chronometer - 39 mm Steel Case - Black Dial - Black Leather Strap - 131.13.39.20.01.001 Demoiselle 18K yellow gold unidirectional rotatable

18K yellow gold unidirectional rotatable bezel with blue Cerachrom disc

8mm 18K yellow gold case

while the screw-down crown ensures water resistance up to 100 meters

This luxurious timepiece embodies the essence of Swiss craftsmanship and sophistication

engraved with the distinctive fluted pattern

Omega Constellation OMEGA Co-Axial Master Chronometer - 39 mm Steel Case - Black Dial - Black Leather Strap - 131.13.39.20.01.001 Demoiselle 18K yellow gold unidirectional rotatable39 mm steel case with anti magnetic protection, transparent back, bezel with blackened Roman numerals, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, sun brushed black dial with date at 6 oclock, Calibre Omega 8800 self winding co axial master chronometer movement with date, approximately 55 hours of power reserve, black leather strap. Water resistant to 50 metres (167 feet).