Exceptional Horological Sale Celebrat...

Hotel Noga Hilton, Geneva, Apr 24, 2004

LOT 291

Rolex Cosmograph "Daytona", Ref. 6239. Manufactured from 1961 to 1976, the first model with screwed-down buttons circa 1970. Very fine, water-resistant, stainless steel gentleman?s wristwatch with round button chronograph, registers, steel bezel with tachometer and an extendable stainless steel Oyster bracelet.

C. three-body, polished and brushed, screwed-down case back and crown, tachometer graduation on the bezel to 200 units per hour.D. bicolored matte silver and black with applied steel indexes and tritium dots, "guilloché" subsidiary seconds, 12-hour and 30-minute registers dials. Tritium-coated steel "Bâton" hands.M. Cal. 727, rhodium-plated, 17 jewels, straight line lever escapement, monometallic balance adjusted to 3 positions, shock-absorber, self-compensating Breguet balance spring.Dial, case, and movement signed. Diam. 37 mm. Approx. overhall length 200 mm.