821.OM.0180.RX Hublot. The Hublot Square Bang Unico 821.OM.0180.RX is a luxurious and elegant watch with a striking design. The case is made of satin-finished and polished 18K king gold, measuring 42 mm in diameter, which gives it a bold and sophisticated look. The black ceramic bezel with six H-shaped titanium screws adds to the watch's durability and creates a beautiful contrast against the gold case. The skeleton dial with gold-tone hands and index hour markers is a hallmark of Hublot's signature design and showcases the intricate mechanics of the watch. The watch features a HUB1280 UNICO manufacture self-winding chronograph flyback movement with a column wheel, renowned for its precision and reliability. The movement has a power reserve of up to 72 hours, making it perfect for extended use. The watch comes with a black structured rubber strap that is both comfortable and durable. The strap is paired with an 18K king gold and black-plated titanium deployant buckle that ensures a secure and comfortable fit. The watch is water-resistant up to 100 meters or 330 feet, making it suitable for swimming and snorkeling, but not for diving. Overall, the Hublot Square Bang Unico 821.OM.0180.RX is a stunning and sophisticated watch that combines luxury and functionality. Its high-quality materials, precise mechanics, and striking design make it a perfect choice for those who appreciate fine craftsmanship and attention to detail. 821.OM.0180.RX Hublot. 18K King Gold & Ceramic Watch