Rolex Chronograph 6236

Rolex. A Very Fine and Rare Stainless Steel Triple Calendar Chronograph Wristwatch with Bracelet Signed Rolex, Antimagnetic, Jean-Claude Killy Model, Ref. 6236, Case No. 576’451, Circa 1960 Cal 72C mechanical movement, 17 jewels, white matte dial, applied gold baton and square numerals, central date hand, fifth of a second combined with Arabic five minutes divisions, outer blue date track, apertures for day and month in English, three sunken engine-turned subsidiary dials for 12 hours, 30 minutes and constant seconds, tonneau-shaped water-resistant-type case, screw back, screw down crown, two round chronograph buttons in the band, stainless steel Rolex Oyster bracelet, deployant clasp, overall approximate length 8 inches, case, dial and movement signed 36mm diam.