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Patek Philippe
Patek Philippe 18k gold Guillaume balance & Bulletin d’Observatoire pocket watch
Open face, power reserve & constant seconds sub dial, chronometer, c.1911
Inventory #: 21163
Model #:
Movement: Mechancial
Case: 18k gold
Case Size: 50mm
Dial: White enamel dial, power reserve & constant second
Condition: Excellent vintage condition with extract

Price: $22,500

Item Sold

Up for sale is a Patek Philippe. A fine and rare 18K gold openface keyless lever pocket chronometer with power reserve, Guillaume balance and Bulletin d’Observatoire Signed Patek, Philippe & Cie., Geneva, Switzerland, made for the Sweeney Jewerly Co., Houston, Texas, movement no. 161’220, case no. 280’134, manufactured in 1911 Cal. 19”’ nickel-finished Extra quality keyless lever movement numbered twice and stamped twice with the Geneva seal, 21 jewels, Guillaume balance, micrometer regulator, wolf’s tooth winding. Gold cuvette engraved Made for the Sweeney Jewelry Co., Houston, Texas, Awarded Third Prize Geneva Astronomical Observatory Timing Contest 1912-1913. White enamel dial, Breguet numerals, two subsidiary dials for power reserve and constant seconds. Plain circular case, hidden hinges, case stamped and numbered by maker, cuvette and movement signed and numbered by maker and retailer, dial signed by maker 50 mm. diam.