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

SIGNED PATEK PHILIPPE & CIE., GENEVE, RETAILED BY E.A. WHIPPLE & SONS, SPRINGFIELD, MASS., MOVEMENT NO. 146'862, CASE NO. 259'440, MANUFACTURED IN 1908

Details
Patek Philippe. A fine and rare 18K gold openface keyless lever watch with Guillaume balance and Bulletin d'Observatoire
Signed Patek Philippe & Cie., Geneve, retailed by E.A. Whipple & Sons, Springfield, Mass., movement no. 146'862, case no. 259'440, manufactured in 1908
Cal. 19''' gilt-finished Extra Quality lever movement numbered twice, 21 jewels, bimetallic Guillaume compensation balance with gold poising screws, micrometer regulator, diamond endstone, wolf's tooth winding, gold cuvette with engraved inscription H.W. Lloyd April 1913, the white enamel dial with Breguet numerals, outer red Arabic five minute divisions, blued steel spade hands, subsidiary seconds, in plain circular case, case, cuvette and dial signed by maker, movement signed by retailer
49 mm. diam.

Lot Essay

Accompanied by Patek Philippe Extract from the Archives confirming production of the present watch in 1908 and its subsequent sale on 6 December 1909. It furthermore states that the watch obtained a Geneva Observatory rating certificate on 23 August 1909.

According to the registers of the Geneva Observatory, the present watch participated at the 1909 timing contest where it achieved the third prize with 729 points. It had been prepared and adjusted by the renowned precision adjuster J. Golay-Audemars.

It is rare to find pocket watches by Patek Philippe with balance staff set with a diamond endstone instead of the more commonly used ruby endstone, a feature only found in movements of superior quality.

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