Patek Philippe & Cie, Genève, “Calatrava”, No. 963873, case No. 301771, Ref. 96. Produced circa 1948. Very fine, 18K yellow gold, gentleman’s wristwatch with 18K yellow gold Patek Philippe buckle. three-body, solid, polished and brushed, dedicated back, curved lugs. matte silver, with applied yellow gold Breguet numerals and auxiliary seconds dial. “Feuille” yellow gold hands. Cal. 12-200, rhodium-plated, “fauss-es côtes” decoration, 18 jewels, lever escapement, monometallic balance adjusted to heat, cold, isochronism and 5 positions, self-compensating Breguet balance-spring, micrometric regulator. Dial, case and movement signed. Diam.31mm Notes A similar watch is published in “Patek Philippe Wristwatches”, by Martin Huber and Alan Banbery, 1998 Edition, p. 122 and 123.