Patek Philippe Calatrava 96 J SC

Brand Patek Philippe, Geneva Retailed by Alberto Rocca, Turin (Italy) Year circa 1913 Reference 96 J SC (Seconde au Centre) Movement No. 183 082 Calibre 12’’’ SC, manual-winding, 18 jewels Case No. 294 428 (by Antoine Gerlach, Geneva) Material/s yellow gold (18-carat) Bracelet leather strap Buckle yellow gold (18-carat) pin-buckle signed Dimensions Ø 30.6 x 38.6mm. Thickness 10.5 mm. Signature dial, case and movement Accessories Certificate of origin; fitted box; Patek Philippe letter; Extract from the Archives Patek Philippe Ref. 96 J SC (Seconde au Centre), Art Deco, centre-seconds, ‘Calatrava’-type case, silver two-tone sector dial, Arabic numerals and black painted indexes; yellow gold (18-carat) -- An early direct centre-seconds ‘Calatrava’, with two-tone sector dial -- Yellow gold (18-carat), manual-winding, round-shaped, gentleman’s wristwatch, with centre-seconds and Art Deco two-tone silver sector dial with Arabic numerals and black painted indexes. -- Case: three-piece, polished and satin-finished, right-angle bezel, ‘tortoise’-shaped concave lugs, snap-on case-back; polished crown. Dial: silver colour, two-tone, with yellow gold applied radiating and revolving Arabic numerals (3-6-9-12), black radiating indexes and sector in the centre, external minute track divided five by five with black painted radiating lines, external second track divided with 1/5th of a second with black painted radiating lines; yellow gold ‘Feuille’ leaf-shaped hands. Movement: calibre 12’’’ SC (ébauche by LeCoultre, 1913-1914), manual-winding, 18 jewels, rhodium-plated with ‘fausses côtes’ decoration, going barrel, straight-line lever escapement, cut bimetallic compensated balance with gold poising screws, blued steel hairspring with terminal curve, patented polished steel index-regulator with swan-neck spring and precision-regulating device for fast / slow by means of an eccentric snail. -- Movement based on the French invention patent No. 142 376, delivered on April 16, 1881, to Jean-Adrien Philippe (1815-1894), Geneva, for a “régulateur de precision” (precision regulation device for fast / slow by means of an eccentric snail). Movement also based on the Swiss invention patent No. 2 680, delivered on September 27, 1890, to Patek, Philippe & Cie, Geneva, for a “Remontoir avec mise à l’heure perfectionné” (the definitive version of the keyless-winding and setting device), and, on the US design patent No. 20 483, delivered on January 13, 1891, to Adrien Philippe, Geneva, for a “Watch bridges for Watch-Movements”. -- The Extract from the Archives, dated September 21, 2020, mentions that this watch was made in 1913 and sold on March 26, 1936. The letter from Patek Philippe, Geneva, dated March 03, 1989, confirms these fact and mentions that the watch was delivered to Alberto Rocca, Turin (Italy).