Important Watches, Wristwatches and C...
Geneva, Hotel Des Bergues, Oct 12, 1996
Rolex Oyster, Superlative Chronometer, Officially Certified, "Cosmograph", produced from 1961 to 1988, the first model with screwed buttons in 1976, Ref. 6239, with black bezel. Fine waterproof, 18K yellow gold gentleman's wristwatch with round button chronograph, registers and tachometer.
C. massive, polished, satined, screwed back, buttons and crown, tachometer graduation on the bezel to 200 units per hour. D. bicolour black and gold with applied gold indexes + auxiliary dials for the seconds, the 12 hours and 30 minutes registers. "Baton" gold hands. M.13"' rhodiumed, 17 jewels, lever escapement, monometallic balance, selfcompensating Breguet balance-spring. Dial, case and movement signed. In very good condition. Diam. 37 nun.