This is a Patek Philippe Nautilus watch, specifically the Ref. 5712/5724R (Rose Gold) model.
Key Features:
1. Case & Material: A rose gold case paired with a diamond-set bezel (baguette-cut diamonds in this instance), featuring the iconic Nautilus silhouette.
2. Dial & Functions: A dark grey horizontally ribbed dial, equipped with complications including a moon phase indicator, power reserve display, and date function.
3. Strap: A brown alligator leather strap with a rose gold folding clasp.
4. Positioning: A high-end luxury sports watch that combines sporty aesthetics with complex horological functions, making it one of Patek Philippe's most popular and iconic models.
