This is an authentic HUBLOT Ceramic 42mm Big Bang Integral Automatic Watch Green 451.GX.5220.GX. The watch is crafted of ceramic and features a green skeleton dial with silver accents, ceramic bezel, sapphire crystal, and an automatic movement. Follow this item for alerts. Hublot is a registered trademark of Hublot. FASHIONPHILE is not affiliated with Hublot.