Patek Philippe Nautilus Annual Calendar Matte Black Dial (Ref. 5726A-001) – Full Set

Up for auction is an extraordinary fusion of iconic luxury sports design and high complications: The Patek Philippe Nautilus Annual Calendar (Reference 5726A-001). Masterfully encased in stainless steel and paired with Patek Philippe’s premium alligator leather strap, this timepiece offers a sophisticated, understated alternative to the bracelet models. Featuring the legendary horizontally embossed dial with a subtle matte black-to-grey gradient and a moon phase display, it represents the pinnacle of daily wearable haute horlogerie.

Key Features:

• Patented Annual Calendar: Features Patek Philippe's legendary calendar complication that automatically adjusts for months with 30 and 31 days, requiring only one manual correction per year (at the end of February).
• Matte Black Gradient Dial: The iconic horizontally embossed Nautilus dial featuring a stunning matte black face that transitions to dark charcoal grey, beautifully contrasted by white gold luminous hands and indexes.
• In-Line Calendar Windows: Displays the day of the week and the month side-by-side in dual windows at 12 o'clock, with a clean date window positioned at 6 o'clock.
• Moon Phase & 24-Hour Indicator: The sub-dial at 6 o'clock seamlessly integrates an ultra-precise moon phase display (accurate to one day in 122 years) surrounded by a practical 24-hour day/night hand.
• Porthole Case Design: The iconic 40.5mm structural case inspired by a ship's porthole, displaying a breathtaking mix of satin-brushed surfaces and mirror-polished chamfered edges.
• Calibre 324 S QA LU 24H/303: A masterfully finished in-house automatic movement visible through the sapphire caseback, sporting a heavy 21K gold central rotor and the prestigious Patek Philippe Seal.

Technical Specifications:

• Brand: Patek Philippe
• Reference: 5726A-001
• Model: Nautilus Annual Calendar
• Case Diameter: 40.5 mm (10 to 4 o'clock)
• Case Thickness: 11.3 mm
• Material: Stainless Steel
• Crystal: Scratch-resistant sapphire crystal front and caseback
• Strap: Original premium black alligator leather strap with a polished steel Nautilus fold-over clasp
• Water Resistance: 120 meters (12 bar) with a screw-down crown