Hublot Classic Fusion, Chronograph Titanium Blue 42MM Watch 541.NX.7170.LRDESCRIPTION The 541. NX. 7170. LR from the Classic Fusion collection is Hublots reimagination of the traditional timepiece with modern materials that defy the typical watch on the market. The 541. NX. 7170. LR has a round shaped titanium case that is 42mm in diameter with an exhibition case back. It comes with an anti reflective sapphire crystal and screw down crown and fixed titanium bezel. It has a blue sunray dial with two sub dials, a date window