Omega Constellation Globemaster Co-Axial Master Chronometer Watch - 39 mm Steel And Sedna Gold Case - Sedna Gold Fluted Bezel - Blue Dial - Blue Leather Strap - 130.23.39.21.03.001 straps self-winding chronometer Omega 8501 movement

self-winding chronometer Omega 8501 movement with Co-Axial Escapement

39 mm yellow gold case with anti-magnetic protection

pink gold gold screw-down crown

18K yellow gold screw-down crown

black monobloc ceramic Cerachrom bezel with engraved tachymetric scale

Omega Constellation Globemaster Co-Axial Master Chronometer Watch - 39 mm Steel And Sedna Gold Case - Sedna Gold Fluted Bezel - Blue Dial - Blue Leather Strap - 130.23.39.21.03.001 straps self-winding chronometer Omega 8501 movement39 mm stainless steel and 18K Sedna gold case, transparent back, 18K Sedna gold fluted bezel, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, sun brushed blue dial with Pie Pan design, caliber 8900 self winding Co Axial master chronometer movement with date function, approximately 60 hours of power reserve, blue leather strap. Water resistant to 100 m (330 ft).