Patek Philippe & Cie., Genève, No. 802887, case No. 674550, Ref. 600-2, Very fine 18 ct. gold keyless chronometer dress watch, First Class Bulletin from the Observatory of Geneva in 1952. | Important Collectors Wristwatches Pocket Watches & Clocks | Geneva, Hotel Des Bergues, 22nd April 1995

Important Collectors Wristwatches Po...

Geneva, Hotel Des Bergues, Apr 22, 1995

LOT 598

Patek Philippe & Cie., Genève, No. 802887, case No. 674550, Ref. 600-2, Very fine 18 ct. gold keyless chronometer dress watch, First Class Bulletin from the Observatory of Geneva in 1952.

CHF 8,000 - 9,000

USD 6,500 - 7,500

C. Three piece, "variée carrure plate", satine and polished, the back engraved with the initials "I.O. R.". D. Mat silver with applied gold indexes and subsidiary seconds. Gold "Dauphines" hands. M. 17"', rhodium plated, "fausses côtes" decoration, bearing the Geneva quality mark, 21 jewels, straight line lever escapement, brassinvar Guillaume balance, adjusted by F. Modoux , Elinvar Breguet balance spring with swan neck micrometric index. Signed on the case and the movement. In excellent condition. Diam. 44 mm.

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Timing Contest : - Mean average daily rate +/- 0,26 - Restart period + 0,36 - Error of compensation per degree C +/- 0,089 - Mean error in 6 positions +/- 0,79 With 658 marks, this chronometer was the 3rd out of 3 classified with more than 600 marks. The first one with 750 and the last one with 658, the maximum being 1000 marks.