421.NX.5170.RX Hublot The Hublot Big Bang Unico 421.NX.5170.RX is a stylish and sophisticated luxury watch that features a 44mm satin-finished and polished titanium case, which is both durable and lightweight. The watch also boasts a titanium bezel, which adds to its overall aesthetic appeal. The matte blue skeleton dial is visually striking and features silver-tone hands and Arabic and index hour markers. The chronograph subdials are located at the 3 and 9 o'clock positions, while the date window is located at the 3 o'clock position. This watch is functional and easy to read, making it perfect for those who want a reliable and stylish timepiece. The blue structured lined rubber straps are comfortable to wear and feature a titanium deployant buckle clasp that keeps the watch securely in place. The watch is powered by the HUB1280 UNICO Manufacture, self-winding chronograph, flyback movement with column wheel, which is a reliable and high-quality mechanism that ensures accurate timekeeping. The watch has a power reserve of 72 hours, making it convenient for those who don't want to have to wind their watch every day. The watch features several functions, including chronograph, date, hour, minute, and seconds, making it a versatile timepiece that can be used for a variety of purposes. Additionally, the watch is water-resistant up to 100m / 330ft, making it suitable for swimming and snorkeling, but not recommended for scuba diving. Overall, the Hublot Big Bang Unico 421.NX.5170.RX is a sophisticated and stylish watch that is perfect for anyone who wants a luxurious timepiece that can be worn for any occasion. Its unique design, high-quality components, and reliable mechanism make it a standout piece that is sure to be noticed.