Brand New Authentic Hublot Big Bang Chronograph Automatic Skeleton Dial Green Ceramic Men's Luxury Watch Model 451.GX.5220.GX. Polished Ceramic case with Polished Green Ceramic Bracelet watch band. Titanium Deployment clasp. Fixed bezel. Dial description: Luminous Green Hands and Stick Hour Markers with Minute Markers Around the Outer Rim, 2 Sub-dials and the Date at 3 o'clock on a Green Skeleton dial. Swiss Automatic Chronograph movement. Chronograph sub-dials display: 60 Minute, Seconds, Date. Calendar: Date at 3 o'clock. Powered by Hublot Calibre HUB1280 engine with 72 hours power reserve. Watch functions: Power Reserve, Hour, Minute, Second, Flyback Chronograph, Chronograph, Date. Push-Pull crown. Scratch Resistant Sapphire crystal. Round case shape. Case size: 42mm. Transparent case back. 100 Meters - 330 Feet water resistant. 2-year WatchMaxx warranty. Also known as model: 451GX5220GX.