Rolex Oyster Perpetual, Superlative Chronometer, Officially Certified Cosmograph "Daytona", Ref. 16523. Production of this reference started in the 1990's.Very fine self-winding, water-resistant down to 100 meters, stainless steel and 18K yellow gold
Sold at Auction: Rolex "Oyster Perpetual Superlative Chronometer officially certified Cosmograph Daytona", Case No. M547872, Ref. 116520, 41 mm, circa 2005