Black ceramic case with a black rubber strap. Mounted black ceramic bezel. Black dial with silver-toned skeleton hands and index hour markers. Minute markers across the outer rim. Dial Kind: Analog. Luminescent hands and markers. Date display on the 6 o’clock position. Chronograph – two sub-dials displaying: 60 second and 30 minute. Automatic movement with a 42 hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Skeleton case back. Case diameter: 45 mm. Spherical case form. Band width: 20.3 mm. Band period: 7.5 inches. Deployment clasp. Waterproof at 50 meters / 165 feet. Purposes: chronograph, date, hour, minute, second. Luxury watch taste. Watch label: Swiss Made. Item Variations: 521 CM 1770 LR, 521-CM-1770-LR, 521/CM/1770/LR, 521CM1770LR. Hublot Classic Fusion Chronograph Automatic Black Dial Black Rubber Mens Watch 521CM1770LR.