Hublot, Classic Fusion Series, Model: 521.NX.7170.RX, a classic fusion of titanium metal, with a blue dial, the entire watch is made of titanium metal, which is lightweight and wear-resistant. It has a 45mm diameter, a blue dial, dual sub-dial chronograph, silver scale hands, date display, a fixed titanium bezel, and is equipped with a backlit HUB1143 automatic winding movement. It features a rubber strap and a folding clasp.