Brand New Authentic Hublot Big Bang Unico Automatic Skeleton Dial 18K King Gold Black Rubber Strap Men's Luxury Watch Model 421.OX.1180.RX. Brushed and Polished 18K Rose Gold case with Black Structured Lined Rubber Straps strap. 18K Rose Gold Deployment with Push Button clasp. Fixed bezel. Dial description: Rose Gold Tone Luminous Hands and Arabic Numerals/Stick Hour Markers with Minute Markers Around the Outer Rim, 2 Sub-dials and the Date at 3 o'clock on a Matte Black Skeleton dial. Swiss Automatic. Chronograph movement. Chronograph sub-dials display: Small Seconds, 60 Minute, Date. Calendar: Date at 3 o'clock. Powered by Hublot Calibre HUB1280 UNICO engine with 72 hours power reserve. Watch functions: Date, Power Reserve, Hour, Minute, Second, Chronograph. Screw Down crown. Scratch Resistant Sapphire crystal. Unique case shape. Case size: 44mm. Transparent case back. 100 Meters - 330 Feet water resistant. 2-year manufacturer's warranty. Also known as model: 421OX1180RX.