Hublot Big Bang Unico Titanium Blue. 411.NX.5179.RX. Unico Manufacture Self-winding chronograph flyback movement with column wheel. 45mm satin finished titanium case with 6 H shaped titanium screws. Matt blue skeleton dial. Black composite resin lower bezel. 72 Hours power reserve. Water resistant to 100m. Sapphire anti-reflecting crystal. Black and blue structured lined rubber strap with titanium deployant buckle clasp. Box and papers dated February 2019.