Rolex, Oyster, Chrono-graphe Anti-Magnetique, Ref. 6036, so-called "Jean-Claude Killy". Pro-duced in the 1950's.Very fine and rare, tonneau-shaped, water-resistant, stain-less steel gentleman's wristwatch with round button chro-nograph, registers and triple date, with a stainless steel Oyster bracelet.\n\nC. two-body, polished and brushed, screwed-down case back and crown. D. matte silver with inlaid gold pyramidal indexes and Arabic numerals, "guilloché" auxiliary dials for the seconds, the 12-hour and 30-minute registers, outer graduation for the days of the month in blue Arabic numerals, apertures for the days of the week and the months. "Alpha" gold hands. M. Cal. 13''', rho-dium-plated, 17 jewels, lever escapement, monometallic ba-lance, shock-absorber, self-compensating Breguet balance sprig.Dial, case and movement signed.Diam. 36 mm.