This is an authentic HUBLOT Titanium Rubber 45mm Big Bang Unico Automatic Watch Blue 411.NX.5179.RX. The watch is crafted of titanium and features a skeleton dial with a chronograph function, sapphire crystal, transparent case back, and an automatic movement. Follow this item for alerts. Hublot is a registered trademark of Hublot. FASHIONPHILE is not affiliated with Hublot.