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 39 mm yellow gold case

39 mm yellow gold case with anti-magnetic protection

black monobloc ceramic Cerachrom bezel with engraved tachymetric scale

Rolex calibre 3132 self-winding movement

bezel with tone-in-tone Roman numerals

stainless steel and yellow gold bracelet

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 39 mm yellow gold case39 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).