Omega Constellation Co-Axial Segna Gold Limited Edition of 1952 Watch - 38 mm Polished Sedna Gold Case - Brushed Sedna Gold Bezel - Silver Dial - Brown Leather Strap - 123.53.38.21.02.00138 mm polished 18K Sedna gold case, transparent back, brushed 18K Sedna gold bezel with with engraved Roman numerals, domed scratch resistant sapphire crystal with anti reflective treatment both sides, silver dial with 18K Sedna gold indexes and hands, self winding chronometer Omega 8501 movement with Co Axial Escapement, date, and seconds, approximately 60 hours of power reserve, brown leather strap. Water resistant to 100 m.