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 fixed 18K white gold bezel

fixed 18K white gold bezel with engraved tachymetric scale

blue guilloche dial

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

39 mm stainless steel and 18K Sedna gold case

white silvery dial with silk-like pattern

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 fixed 18K white gold bezel39 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).