Rolex. Cosmograph Daytona, "Paul Newman", Ref.6239, circa 1963

17-jewel nickel-finished Cal.72B movement, cream matte dial with applied square hour markers on outer black chapter ring with fifths of a second divisions, luminescent hands, three engine-turned black subsidiary dials indicating constant seconds, 30 minute and 12 hour registers, tonneau water-resistant-type case with the bezel calibrated for 200 units per hour, screw back and screw-down crown, fitted stainless steel folded link bracelet No.7835, case, dial and movement signed 37mm. Sold for £22,000 plus Premium and tax

Note: The reference 6239 was produced from 1961 to 1976, the first examples having the exotic dial, the so-called "Paul Newman". They were made in 18ct yellow gold, 14ct yellow gold, and stainless steel.
The current owner purchased this watch from Tourneau of New York in 1996.

Bonhams. Fine Watches and Wristwatches, 13 Dec 2007. New Bond Street