$66,250
ROLEX, REF. 6240 COSMOGRAPH DAYTONA STEEL Rolex, case No. 1298338, Ref. 6240. Made circa 1965. Very fine and extremely rare, early, water-resistant, stainless steel wristwatch with round button chronograph, registers, tachometer, anti-reflective black bezel and a stainless steel riveted Rolex Oyster bracelet. Three-body, polished and brushed, screwed-down case back (Ref. 6239), buttons and crown, tachometer graduation on the bezel to 200 units per hour. Bi-color silver and black with applied steel baton indexes and luminous dots, outer 1/5th seconds track, subsidiary dials for the seconds, the 12-hour and 30-minute registers. Luminous steel baton hands. Cal. 722, rhodium plated, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating free-sprung flat balance spring, Microstella regulating screws. Notes Dial, case and movement signed. DIAM. 37 mm. THICKNESS 14 mm. Approx. overall length 190 mm.
Auctioneer:
Antiquorum
Date:
2016-10-08