Omega Constellation Globemaster Co-Axial Master Chronometer Watch - 39 mm Steel Case - Fluted Bezel - Silver Dial - Grey Leather Strap - 130.33.39.21.02.001 Blancpain screw-down crown with twinlock double

screw-down crown with twinlock double waterproofness system

stands as a symbol of timeless sophistication and prestige

36 mm steel and yellow gold case with anti-magnetic protection

18K white gold beaded crown set with a brilliant-cut diamond

Omega Constellation Globemaster Co-Axial Master Chronometer Watch - 39 mm Steel Case - Fluted Bezel - Silver Dial - Grey Leather Strap - 130.33.39.21.02.001 Blancpain screw-down crown with twinlock double39 mm stainless steel case, transparent back, fluted bezel, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, opaline silver dial with Pie Pan design, caliber 8900 self winding Co Axial master chronometer movement with date function, approximately 60 hours of power reserve, grey leather strap. Water resistant to 100 m (330 ft).