Vacheron & Constantin, Genève, No. 344675, case No. 215562, completed in 1908, sold on 21 November 1913, to Paccard & Cie and presented to M. Alexis Grenier. Very fine 18 ct. gold keyless pocket chronometer, awarded a Mention honorable with 664 marks at the Geneva Astronomical Observatory timing contest in 1909, in original fitted box with original certificate. | The Art Of Vacheron Constantin | Geneva, Hotel Des Bergues, 13th November 1994

The Art Of Vacheron Constantin

Geneva, Hotel Des Bergues, Nov 13, 1994

LOT 46

Vacheron & Constantin, Genève, No. 344675, case No. 215562, completed in 1908, sold on 21 November 1913, to Paccard & Cie and presented to M. Alexis Grenier. Very fine 18 ct. gold keyless pocket chronometer, awarded a Mention honorable with 664 marks at the Geneva Astronomical Observatory timing contest in 1909, in original fitted box with original certificate.

CHF 5,000 - 6,000

Sold: CHF 6,325

C. Four body, massive, "demi-bassine", polished, the back engraved with the monogram "A.G.". Gold cuvette engraved with a dedication dated: 1888-1913. D. Three piece white enamel with Empire numerals and sunk subsidiary seconds. Gold "spade" hands. M. 20"', gilt brass, 21 jewels, straight line lever escapement, Crausaz, brass and steel-nickel, balance adjusted by P. Wehrli, blued steel balance spring with terminal curve and swan neck micrometric index. Signed on the dial, case and movement. In very good condition, with photocopies from the records of the timing contest. Diam. 54 mm.

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Timing Contest: - Mean average daily rate +/-0,31 - Restart period +0,64 - Error of compensation per degree C +/-0,033 - Mean error in 6 positions +/-0,39 With 664 marks, this chronometer was the 71st out of 102 classified with more than 600 marks. The first one with 825 and the last one with 608, the maximum being 1000 marks.