Brand New Authentic Hublot Big Bang Unico Skeleton Dial Rubber Strap Men’s Watch Model 421.HX.1170.RX. White Ceramic case with White Rubber with Black Rubber Lining strap. Deployment with Push Button clasp. Fixed bezel. Dial description: Silver tone luminous hands and Arabic Numerals/Index hour markers with minute markers around the outer rim and 2 sub-dials on a Skeleton dial. Automatic-Chronograph movement. Calendar: Date at 3 o’clock. Chronograph sub-dials display: Small Seconds, 60 Minute. Powered by Hublot Calibre HUB1280 engine with 72 hours power reserve. Watch functions: Date, Power Reserve, Hour, Minute, Second, Chronograph. Screw Down crown. Scratch Resistant Sapphire crystal. Round case shape. Case size: 44mm. Transparent case back. 100 Meters – 330 Feet water resistant. 2 year WatchMaxx warranty. Also known as model: 421HX1170RX.