Reference 6239 was the very first model within the iconic Cosmograph Daytona family and was produced from approximately 1963 until 1976. Available in stainless steel, 14k and 18k gold, ref. 6239 was Rolex's first chronograph with the tachymeter scale engraved on the bezel. The model was originally announced as the "Le Mans". It was eventually named the "Daytona” after the 24 Hours of Daytona automobile race.

An extremely well-preserved example, the present watch is a sight to behold. Displaying a black dial with ivory subsidiary registers, this ref. 6239 is preserved in excellent and noteworthy condition. The outer ivory track remains crisp, while the luminous dots display warm patina, matching the hands. The dots are furthermore round and intact. All graphics are intact and vibrant. Furthermore, the case is incredibly sharp and crisp. This particular dial combination usually shows signs of ageing, yet this particular watch is preserved in very impressive condition. Such well-preserved examples very rarely appear on the market and there is no telling when another example in such condition will appear again. The case is also preserved in exceptional condition with crisp finishes throughout. The case is also preserved in impressive condition with crisp finishes on the top of the lugs and good definition to the bezel.