Omega Constellation Globemaster Co-Axial Master Chronometer Watch - 39 mm Steel And Yellow Gold Case - Yellow Gold Fluted Bezel - Silvery Dial - Brown Leather Strap - 130.23.39.21.02.001 oyster-perpetual 39 mm steel and sedna

39 mm steel and sedna gold case with anti-magnetic protection

Rolex calibre 2236 self-winding movement with rapid setting instantaneous date

platinum President bracelet with semi-circular three-piece links

blue guilloche dial

white mother-of-pearl dial with diamond hour markers

Omega Constellation Globemaster Co-Axial Master Chronometer Watch - 39 mm Steel And Yellow Gold Case - Yellow Gold Fluted Bezel - Silvery Dial - Brown Leather Strap - 130.23.39.21.02.001 oyster-perpetual 39 mm steel and sedna39 mm stainless steel and yellow gold case, transparent back, yellow gold crown, yellow gold fluted bezel, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, opaline silvery dial with Pie Pan design, caliber 8900 self winding Co Axial master chronometer movement with date function, approximately 60 hours of power reserve, brown leather strap. Water resistant to 100 m (330 ft).