Manufacturer/Manufaktur: Patek Philippe, Geneva. Model: "Chronometro Gondolo". Year/Jahr: 1906. Movement No./Werk-Nr.: 137 436. Calibre/Kaliber: 21''', manual-winding/Handaufzug. Case No./Gehäuse-Nr.: 244 009. Material: 18K rose gold/Roségold. Dimensions/Grösse: ø 55,6 mm. Signed/Signiert: Dial, case, cuvette, movement/Zifferblatt, Gehäuse, Innendeckel, Werk. Accessories: Later Patek Philippe leather pouch, Extract from the Archives/Spätere Patek Philippe-Lederpochette, Archivauszug.
"Bassine" round-shaped, open-face pocket watch, with subsidiary seconds at 6, made for the Brazilian market. Case-back guilloché engine-turned. Cuvette engraved in taille-douce (fine cut) with the mention "CHRONOMETRO GONDOLO/Fabricado expressamente para Gondolo & Labouriau Relojoeiros/RIO-DE-JANEIRO". White enamel dial with black painted radial Roman numerals. 21''', gilded brass, with going barrel, gold train of wheels, straight-line lever escapement, à moustaches, cut bimetallic balance with gold poising screws and blued steel Breguet hairspring, index regulator with spring and micrometric screw.
Lépine-Taschenuhr mit Gehäuse in Bassiné-Form und Kleiner Sekunde bei 6-Uhr, bestimmt für den brasilianischen Markt. Guillochierter Rückdeckel, Innendeckel mit Gravur "CHRONOMETRO GONDOLO/Fabricado expressamente para Gondolo & Labouriau Relojoeiros/RIO-DE-JANEIRO". Weisses Email-Zifferblatt mit schwarzen römischen Stundenziffern. Vergoldetes Messingwerk mit Federhaus, Ankerhemmung mit "Moustache"-Anker, geschnittener Bimetall-Unruh mit goldenen Abgleichschrauben, gebläuter Breguet-Spirale und Rückerzeiger mit Feder- und Mikrometer-Feinregulierung.
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-regulating 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".
