Authentic Patek Philippe Nautilus watch with model number 5811/1G-001. Features an elegant blue dial with silver tone hour and minute hands, along with index hour markers and outer minute scale. Automatic movement powered by the Caliber 26-330 S C engine provides precise timekeeping. Includes date function. Comes equipped with a deployment fold-over clasp bracelet crafted from white gold. The watch has an octagonal case shaped in 18K white gold, measuring 41mm across and 8.2mm thick. It features a transparent sapphire crystal case back allowing visibility of the movement. With water resistance up to 120 meters (approx. 400 feet), this is a robust timepiece suitable for various conditions. Backed by WatchMaxx warranty, ensuring quality assurance for two years from purchase.