Brand New Authentic Hublot Big Bang Integral Skeleton Dial Titanium Men's Watch Model 451.NX.1170.NX. Polished Grey Titanium case with Titanium watch band. Titanium Deployment clasp. Fixed bezel. Dial description: Silver tone hands and Index hour markers with minute markers around the outer rim with 2 sub-dials on a Skeleton dial. Automatic-Chronograph movement. Calendar: Date at 3 o'clock. Chronograph sub-dials display: 60 Second, 30 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. Case size: 42mm. Case thickness: 14.5mm. Transparent case back. 100 Meters - 330 Feet water resistant. 2 year WatchMaxx warranty. Also known as model: 451NX1170NX.