Omega Constellation OMEGA Co-Axial Master Chronometer - 39 mm Steel Case - Tally- Ruthenium-Grey Dial - Blue Leather Strap - 131.13.39.20.06.002

39 mm steel case with anti-magnetic protection, transparent back, bezel with blued Roman numerals, domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides, tally-brushed ruthenium-grey dial with date at 6 oclock, Calibre Omega 8800 self-winding co-axial master chronometer movement with date, approximately 55 hours of power reserve, blue leather strap. Water resistant to 50 metres (167 feet).