Importantes Montres de Collection

Geneva, Nov 13, 2011

LOT 598

ROLEX REF. 6238, PRE-DAYTONA BLACK DIAL, YELLOW GOLD Rolex, ?Chronograph?, case No. 1836335, Ref. 6238. Made for the North American Market circa 1968. Very fine and extremely rare, water-resistant, 14K yellow gold wristwatch with round button chronograph, registers, tachometer and an 18K yellow gold Rolex Oyster riveted expanding bracelet. Accompanied by a Rolex box.

C. Three-body, solid, polished and brushed, screwed-down case back and crown, polished inclined bezel. D. Black with applied yellow gold baton indexes and luminous dots, subsidiary dials for the seconds, the 12-hour and 30-minute registers, outer 1/5th seconds/minute divisions, outermost tachometer scale. Luminous steel alpha hands. M. Cal. 72B, rhodium-plated, 17 jewels, straight-line lever escapement, monometallic balance adjusted to three positions, shock absorber, self-compensating flat balance spring, Microstella regulating screws. Dial, case and movement signed. Diam. 36 mm. Thickness 14 mm. Approx overall length 175 mm