Important Collectors Wristwatches Po...
Geneva, Hotel Des Bergues, Apr 22, 1995
Rolex Oyster Cosmograph, Ref. 6239, produced from 1961 to 1988, and the first model with screwed buttons in 1976. Fine waterproof, stainless steel gentleman's wristwatch with round button chronograph, registers and tachometer, and stainless steel Oyster bracelet.
C. polished, satined, tachometer graduation on the steel bezel to 300 units per hour, screwed back and crown. D. bicolour black and white with applied steel indexes + auxiliary dials for the seconds, the 12 hours and 30 minutes registers. "Bâton" steel hands. M. 13"', rhodiumed, 17 jewels, lever escapement, monometallic balance adjusted to 3 positions, antishock system, self-compensating Breguet balance-spring. Dial, case and movement signed. In good condition. Diam. 36 mm.