Sapphire crystal case with a black rubber strap. Transparent bezel. Skeleton dial with black hands and Arabic numeral hour markers. Minute markers around the outer rim. Dial Type: Analog. Date display between 4 and 5 o'clock position. Chronograph - sub-dials displaying: two - 60 second and 60 minute. Hublot Calibre Unico HUB1242 automatic movement with a 72-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Skeleton transparent exhibition see through case back. Case size: 45 mm. Round case shape. Water resistant at 100 meters / 330 feet. Functions: chronograph, date, hour, minute, second. Additional Info: limited edition of 500 pieces. Luxury watch style. Watch label: Swiss Made. Hublot Big Bang Unico Automatic Mens Chronograph Limited Edition Watch 411.JB.4901.RT.