Swiss gold Chronometro Gondolo pendant watch Circa 1915

Gold lever lady’s pendant watch 
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A very fine and rare Swiss, 18K yellow gold, keyless lady’s pendant watch, circa 1915. Made for Gondolo & Laboriau, Relojoeiros, Rio de Janeiro. A polished case, gold cuvette. White enamel dial, radial Roman numerals, outer minute track with five-minute Arabic numerals, subsidiary seconds. Yellow gold Louis XVI hands. A frosted gilt movement, 18 jewels, gold wheel train, wolf’s tooth winding, straight-line moustache lever escapement, cut bimetallic compensation balance with Breguet balance spring, Wilmot’s patented micrometric cam regulator. Dial, case, cuvette and movement signed.
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Diameter: 32 mm
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Signed: Patek, Philippe & Cie.  Genève
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The movement is rusted with some lacking elements.
The dial is upgraded, hands are partially replaced.
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The Chronometro Gondolo was made in sizes ranging from 10 to 22 lignes, most being 20 or 21 lignes. The smaller calibre watches are very rare.