647.NX.1137.RX Hublot. This Watch has titanium bezel and titanium case. The watch performs following functions: moonphase, date, hours, minutes and seconds. The watch has Black Rubber strap with a hidden Fold Over Buckle. Sapphire crystal protects only Front side of this watch. Automatic movement. The watch comes with 42 mm case 647.OX.1138.RX Hublot Titamium Watch.