Patek Philippe. A fine 18K gold openface keyless lever watch with up and down indicator, Guillaume balance and Bulletin d'Observatoire

SIGNED PATEK PHILIPPE & CIE., GENEVA, SWITZERLAND, MOVEMENT NO. 193'429, CASE NO. 416'933, MANUFACTURED IN 1925

Details

Patek Philippe. A fine 18K gold openface keyless lever watch with up and down indicator, Guillaume balance and Bulletin d'Observatoire
Signed Patek Philippe & Cie., Geneva, Switzerland, movement no. 193'429, case no. 416'933, manufactured in 1925
Cal. 19''', with nickel-finished Extra quality keyless lever movement numbered twice and stamped twice with the Geneva seal, 23 jewels, Guillaume balance, micrometer regulator, wolf's tooth winding, gold cuvette, the white enamel dial with Arabic numerals, blued steel moon-style hands, two subsidiary dials indicating up and down recorder and constant seconds, constant seconds dial bearing the movement number, in plain circular case with hidden hinge, case, cuvette, dial and movement signed
51 mm. diam.

Lot Essay

Accompanied by Patek Philippe Extract from the Archives confirming production of the present watch in 1925 and its subsequent sale on 19 April 1937. It furthermore states the Geneva Observatory rating certificate obtained in 1929/30.

According to the registers of the Geneva Observatory, the present watch was presented at the 1929 contest. It had been prepared and adjusted by F. Modoux, a renowned precision adjuster.

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