Brand New Authentic Hublot Big Bang 44mm Ceramic Case Blue Chronograph Dial Leather Strap Men's Watch Model 301.CI.7170.LR. Black Ceramic case with Blue Alligator Leather With Rubber strap. Deployment clasp. Fixed bezel. Dial description: Luminous Silver hands and Index hour markers with minute markers around the outer rim and 3 Sub-dials on a Blue dial. Automatic - Chronograph movement. Calendar: Date between 4 and 5 o'clock position. Chronograph sub-dials display: 60 Second, 30 Minute, 12 Hours. Powered by Hublot Calibre HUB4100 engine with 42 hours power reserve. Watch functions: Date, Power Reserve, Hour, Minute, Second, Chronograph. Scratch Resistant Sapphire crystal. Round case shape. Case size: 44mm. Case thickness: 14.5mm. Transparent case back. 100 Meters - 330 Feet water resistant. 2 year WatchMaxx warranty. Also known as model: 301CI7170LR.