E. Gübelin, Lucerne. Produced in the 1960's.Very fine and rare, square, 18K yellow gold, center-seconds, self-winding, gentleman's wristwatch with triple date calendar and moon phases. two-body, polished and brushed, stepped bezel, fluted curved lugs. black with applied yellow gold square and bâton indexes, auxiliary dial for the days of the month, apertures for the days of the week, the months and the moon phases. "Dauphine" yellow gold hands. Notes For a biography of E. Gübelin, see lot 139.