Brand New Authentic Hublot Square Bang Unico Automatic Chronograph Blue Dial Titanium Ceramic Bezel Rubber Strap Men's Luxury Watch Model 821.NL.5170.RX. Brushed and Polished Titanium case with Blue/Black Structured Rubber Straps strap. Titanium Deployment with Push Button clasp. Fixed. Microblasted and Polished Blue Ceramic bezel. Dial description: Luminous Silver Tone Hands and Stick Hour Markers with Minute Markers Around the Outer Rim, 2 Sub-dials and the Date Displayed at 3 o'clock on a Blue Skeleton dial. Swiss Automatic. Flyback Chronograph movement. Chronograph sub-dials display: Small Seconds, 60 Minute, Date. Calendar: Date at 3 o'clock. Powered by Hublot Caliber HUB1280 UNICO engine with 72 hours power reserve. Watch functions: Date, Power Reserve, Hour, Minute, Second, Flyback Chronograph. Screw Down crown. Scratch Resistant Sapphire crystal. Cushion case shape. Case size: 42mm. Transparent case back. 100 Meters - 330 Feet water resistant. 2-year manufacturer's warranty. Also known as model: 821NL5170RX.