Important Modern & Vintage Timepieces

New York, Dec 08, 2010

LOT 185

Rolex ReF. 6239 - Oyster - Cosmograph DaytoNa Rolex, Genève, case No. 1428682, Ref. 6239. Made circa 1962. Fine and rare, water-resistant, stainless steel wristwatch with steel bezel, round button chronograph, registers, tachometer and a stainless steel Rolex Jubilee bracelet with concealed clasp.

C. Three-body, polished and brushed, screwed-down case back and winding crown, tachometer graduation on the bezel to 300 units per hour. D. Bicolor silver and black with applied steel baton indexes and luminous dots, outer red 1/5th seconds track, subsidiary 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 Breguet balance spring, Microstella regulating screws. Dial, case and movement signed. Diam. 37 mm. Thickness 13 mm.