MS Hublot HUBLOT barrel explosion soul BIG BANG series. Model 642.NX..RX Inspired by racing, a 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 buckle, 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! ! ! ,