$52,800
Ref. 6240, Cosmograph Rolex, Oyster Cosmograph, Ref. 6240. Made circa 1964. Very fine and rare, water-resistant, stainless steel wristwatch with round button chronograph, registers, tachometer, anti-reflective black bezel graduated to 200 units per hour and a stainless steel Rolex Oyster bracelet. Accompanied by a fitted box, Guarantee Certificate (now void) and one extra link. Three-body, polished and brushed, screwed-down case back, buttons and crown, tachometer graduation on the bezel to 200 units per hour. Bicolor black and silver with applied steel baton indexes and luminous dots, subsidiary dials for the seconds, the 12-hour and 30-minute registers. Luminous steel baton hands. Cal. 722-1, rhodiumplated, 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. Notes The reference 6240 has always been an interesting model as it marks the transition from the pump pushers to the screwdown version. This reference was the first model to integrate this water/dust protecting feature but it also had its dial signed for the first time Oyster as well as having at the bottom "O T Swiss T O", not usually found on any other references.
Auctioneer:
Antiquorum
Date:
2008-04-17
