Hublot Classic Fusion Blue Sunray Dial 18K King Gold Automatic Men's Watch 521.OX.7180.LR. Polished and satin-finished 18k king gold case with a blue rubber and alligator strap. Fixed polished and satin-finished 18k king gold bezel. Blue sunray satin-finished dial with polished gold-plated hands and index hour markers. Minute markers around the outer rim. Chronograph - sub-dials displaying: two - 60 second and 30 minute. Automatic movement. Hub1143 engine. Scratch resistant sapphire crystal. Pull / push crown. Skeleton transparent exhibition see through case back. Case diameter: 45 mm. Round case shape. Deployment with push button clasp. Water resistant at 50 meters / 165 feet. Functions: date, hour, minute, second. Luxury watch. Item Variations: 521 OX 7180 LR, 521-OX-7180-LR, 521/OX/7180/LR, 521OX7180LR.