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 combines all the iconic elements of the Spirit of Big Bang series, featuring a brand new barrel-shaped case. The case is crafted from titanium and resin materials, utilizing six H-shaped screws to create a sandwich structure, conveying the concept of integrated technology. It perfectly replicates the exclusive custom HUB movement, comes with an original folding clasp, and is fitted with a custom-made fluoroelastomer strap. The watch is equipped with a one-click quick-change strap system, allowing wearers to easily and swiftly replace the strap with just a light press!