This is a Rolex Oyster Perpetual Cosmograph Daytona, specifically the yellow gold "Le Mans" edition, reference 126528LN-0001.
Key Details
• Model Family: Rolex Cosmograph Daytona
• Reference: 126528LN-0001
• Material: 18ct yellow gold case and Oyster bracelet
• Bezel: Black Cerachrom ceramic bezel with a tachymeter scale
• Dial: Black dial with white chronograph sub-dials (nicknamed "Le Mans" for its Paul Newman-style contrast)
• Movement: Manufacture Calibre 4131 automatic chronograph movement, with a 72-hour power reserve
• Water Resistance: 100m / 330ft
