Hublot .Spirit of Big Bang Collection. Model: NX.RX .Inspired by racing, the new limited edition Spirit of Big Bang watch is launched! This timepiece incorporates all the iconic elements of the Spirit of Big Bang series, featuring a new barrel-shaped case. The case is crafted from titanium and resin materials, constructed with six H-shaped screws to convey the concept of integrated technology. It perfectly replicates the exclusive custom HUB movement, complete with an original folding clasp and a custom-made fluororubber strap. The watch is equipped with a one-click quick-change strap system, allowing wearers to easily and quickly swap straps with just a gentle press!