Patek Philippe Nautilus Annual Calendar 5726/1A-001

The Patek Philippe Nautilus 5726/1A-001 is a distinguished luxury sports watch that masterfully blends iconic design with advanced horological complications. Key Features Case & Bracelet: Material: Stainless steel Diameter: 40.5 mm Thickness: 11.3 mm Integrated stainless steel bracelet with a fold-over clasp Water resistance: 120 meters (393 feet) Dial: Color: Gradient grey/black with horizontal embossing Applied white gold hour markers and hands with luminescent coating Day, date, and month displayed in apertures at the top Moon phase and 24-hour subdial at 6 o’clock Highly legible and balanced layout Movement: Caliber: 324 S QA LU 24H/303 (self-winding automatic) Power reserve: 35–45 hours Functions: Annual calendar (requires adjustment only once per year), moon phase, 24-hour indication, sweep seconds Exhibition sapphire crystal case back to view the movement Design: Signature porthole-inspired, rounded octagonal bezel Brushed and po