301.SB.131.RX Hublot. This Watch has Fixed Ceramic bezel with Black dial and Silver-tone hands. The watch performs following functions: chronograph, 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. Case back is Transparent. Automatic movement. Power reserve 42 hours. This model is water-resistant up to 100m/330ft . The watch comes with 44 mm Stainless Steel case 301.SB.131.RX Hublot Stainless Steel and Ceramic Watch.