Omega Seamaster Aqua Terra 150M Omega Co-Axial Master Chronometer GMT Worldtimer - 43 mm Platinum Case - Grey Dial - Brown Leather Strap Limited Edition of 87 - 220.93.43.22.99.00143 mm platinum case with anti magnetic protection, transparent back, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, grey dial is sand blasted platinum gold and with 18K yellow gold indexes and hands that are coated in Super LumiNova, Calibre Omega 8939 self winding co axial master chronometer movement with date, approximately 60 hours of power reserve, brown leather strap. Water resistant to 150 metres (500