With a sophisticated integration , the Patek Philippe Nautilus Annual Calendar 5726/1A is the ultimate upscale sport watch in stainless steel. Key features of this iconic  Nautilus include:

- 40.5 mm stainless steel case, bezel, and integrated bracelet with a blend of polished and brushed finishes

- Captivating blue horizontally embossed dial with applied luminous baton hour markers

- Aperture displays for day, date, and month.

- Moon phase display at 6 o'clock with 122-year precision  

- Rhodium-plated dauphine hour and minute hands

- Scratch resistant sapphire crystal with anti-reflective coating

- Exhibition case back revealing the self-winding caliber 324 S QA LU 24H movement

- Approximately 35 to 45 hours of power reserve when fully wound

- Water resistant to 120 meters

- Folding clasp Nautilus bracelet that tapers in width  

With its coveted White dial and silvery triple-calendar displays, the Nautilus 5726/1A merges usefulness and beauty for the discerning watch collector. This COSC certified chronometer comes complete with box and papers from Patek Philippe. 

Showcasing high watchmaking, the elegant yet sporty Nautilus Annual Calendar 5726/1A is perfect for making a sophisticated statement. Add this highly coveted stainless-steel reference to your collection today.