Important Modern and Vintage Timepieces

New York, Dec 07, 2011

LOT 224

ROLEX REF. 6239 COSMOGRAPH DAYTONA Rolex, Genève, case No. 1656905, Ref. 6239/6240. Made circa 1963. Fine and rare, water-resistant, stainless steel wristwatch with steel bezel, round button chronograph, registers and tachometer.

C. Three-body, polished and brushed, screwed-down case back and winding crown, tachometer graduation on the bezel to 200 units per hour. D. Bicolor silver and black with applied steel baton indexes and luminous dots, outer 1/5th seconds track, subsidiary guilloche dials for the seconds, the 12-hour and 30-minute registers. Luminous steel baton 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, Microstella regulating screws. Dial, case and movement signed. Diam. 37 mm. Thickness 13 mm.