An authentic Hublot men's watch, the Square Bang with model number 821.OL.5180.RX. Features a cushion case shape in brushed and polished 18K rose gold. Equipped with an automatic flyback chronograph movement based on the UNICO HUB1280 caliber providing up to 72 hours power reserve. Boasts a blue dial featuring luminous stick hour markers, minute markers, applied rose gold tone hands, two sub-dials (seconds, minutes, date), and skeleton design elements. Includes fixed blue ceramic bezel, an sapphire crystal scratch-resistant display case back, and 100-meter water resistance. Comes with a black rubber strap in the same finish as the case clasp (rose gold tone) and features deployment buckle clasp. Date displayed at the 3 o'clock position on each sub-dial.