Bringing together elements of industrial and contemporary design, the Hublot Big Bang collection embraces unconventional styling while refusing to compromise on performance, precision, or functionality. Powered by HUB1242 UNICO Manufacture Self-Winding Chronograph Flyback Movement with Column Wheel. Presented in a striking 45mm titanium case and protected by sapphire crystal glass, this Hublot Big Bang UNICO watch is characterized by its matte black skeleton dial, which reveals the inner workings of this innovative timepiece. The Big Bang Unico Titanium Rainbow is a breathtaking addition to the timeless collection. The striking case is covered by 176 jewels and highlighted by the its polished 18k white gold bezel, set with 48 baguette-cut coloured Sapphires, Amethysts, Rubies, Topazes and Tsavorites. Sapphire crystal watch glass is treated with anti-reflective treatment, for optimum time-reading in all terrain. The luxury timepiece isn\'t all about the looks, boasting water resistance at up to 100 metres.