Hublot HUBLOT Soul BIG BANG series. Model 642.NX..RX Inspired by racing, the new Spirit of Big Bang limited edition watch is launched! The watch combines all the iconic elements of the Spirit of Big Bang series with a new barrel-shaped case. The case is made of titanium and resin materials, and uses six H-shaped screws to build a "sandwich" structure, conveying the concept of "fusion of technology" , a perfect replica of the exclusive customized HUB movement, original folding clasp, customized fluororubber strap, the watch is equipped with a "one-button" quick strap replacement system, the wearer can easily and quickly change the strap with just one click. Replace the strap! ! ! ,