In 1996, Patek Philippe invented the annual calendar mechanism, registered patents, and launched the first annual calendar Ref.5035. This watch won the Swiss best watch of the year and became the undisputed definition of the annual calendar. At the Basel exhibition in 2019, Patek Philippe launched the Ref.5726/1A-014 Nautilus series of blue and black gradient annual calendars, giving the Nautilus collection a new look. Equipped with the Caliber324S QA LU 24H/303 self-winding movement, the movement consists of 347 parts with a 21K gold oscillating weight and a full string for up to 45 hours of power storage. Like the case and bezel, Replica Patek Philippe Nautilus Watches the stainless steel bracelet with folding clasp is polished and satin contrasted.
The case is made of stainless steel with a diameter of 40.5 mm and a thickness of 11.3 mm. The octagonal bezel and case structure are inspired by the porthole. Equipped with a screw-in crown and a back-through design, it is water resistant to 120 meters. The dial is embellished with a horizontal embossed pattern and a subtle design with a blue gradient to black. The fluorescent-coated Platinum Barton-style hands and the three-dimensional hour markers show hours and minutes, with a slim centered large seconds hand. The day and month display windows are placed side by side at 12 o'clock and the date window is at 6 o'clock. The 24-hour display at the bottom of the dial simplifies the calendar adjustment process. The sub-dial Replica Patek Philippe Nautilus is also equipped with an extremely accurate moon phase display with only one day error per 122 years.
