Omega Constellation OMEGA Co-Axial Master Chronometer - 36 mm Steel Case - Grey Dial - 131.10.36.20.06.001
36 mm steel case with anti-magnetic protection, transparent back, domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides, grey dial, Calibre Omega 8800 self-winding co-axial master chronometer movement with date, approximately 55 hours of power reserve, steel bracelet. Water resistant to 50 metres (167 feet).