Important Modern & Vintage Timepieces

New York, Dec 08, 2010

LOT 184

Rolex ReF 6239 - Cosmograph - Daytona Rolex ?Cosmograph Daytona,? Ref. 6239, case No. 1428697. Made in the 1960s. Very fine and rare, water-resistant, stainless steel wristwatch with round button chronograph, registers, tachometer, steel bezel graduated to 300 units per hour, and a stainless steel Rolex USA Jubilee bracelet.

C. Three-body, polished and brushed, screwed-down case back and crown, tachometer on the bezel graduated to 300 units per hour. D. Bicolor black and silver with applied faceted steel baton indexes and luminous dots, outer 1/5th seconds track, subsidiary silver guilloche dials for the seconds, the 12-hour and 30-minute registers. Luminous steel baton hands. M. Cal. 722, rhodium-plated, 17 jewels, straight line lever escapement, monometallic balance adjusted to 3 positions, shock absorber, self-compensating free-sprung Breguet balance spring, Microstella regulating screws. Dial, case and movement signed. Diam. 37 mm. Thickness 14 mm. Approx. overall length 190 mm.