Omega Constellation OMEGA Co-Axial Master Chronometer - 39 mm Steel And Sedna Gold Case - Brown Dial - Brown Leather Strap - 131.23.39.20.13.001 Annual Calendar approximately 68 hours of power

approximately 68 hours of power reserve

Water resistant to 10 bar

black dial with stars

calibre 75320 automatic movement with date

Magnificently built and highly durable

Omega Constellation OMEGA Co-Axial Master Chronometer - 39 mm Steel And Sedna Gold Case - Brown Dial - Brown Leather Strap - 131.23.39.20.13.001 Annual Calendar approximately 68 hours of power39 mm steel and sedna gold case with anti magnetic protection, transparent back, bezel engraved with Roman numerals, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, sun brushed brown dial with date at 6 oclock, Calibre Omega 8800 self winding co axial master chronometer movement with date, approximately 55 hours of power reserve, brown leather strap. Water resistant to 50 metres (167 feet).