The Art of American Horology Part ll,...

Roosevelt Hotel, Madison Avenue @ 45th Street, Dec 04, 2002

LOT 222

Rolex, Cosmograph "Daytona",Ref. 6239. Produced in the 1960's.Fine and rare, water-resistant, stain-less steel gentleman's wristwatch with round button chro-nograph, registers, tachometer and a stainless steel Oyster bracelet.

C. three-body, polished and brushed, screwed-down case back and crown, tachometer graduation on the bezel to 300 units per hour. D. bicolour satiné silver and black with applied steel bâton indexes, outer tritium-coated dots, auxiliary dials for the seconds, the 12 hours and 30 minutes registers. "Bâton" tritium-coated steel hands. M. Cal. 72 B, rhodium-plated, 17 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compensating Breguet balance-spring.Dial, case and movement signed.Diam. 37 mm.