Omega Seamaster Aqua Terra 150M Co-Axial Master Chronometer Ladies' Watch - 38 mm Sedna Gold Case - Radiant Wave Pattern Diamond Dial - Glossy Red Leather Strap - 220.58.38.20.99.00438 mm Sedna gold case, transparent back, domed scratch resistant sapphire crystal anti reflective treatment on both sides, radiant wave pattern dial made from 191 diamonds, indexes at each hour are marquise cut red rubies, Caliber Omega 8807 self winding movement with a co axial escapement, chronometer, approximately 55 hours of power reserve, glossy red leather strap. Water resistant to 15 bar (150 metres 500 feet).