The Longitude at the Eve of the Third...

Geneva, Hotel Des Bergues, Oct 23, 1999

LOT 173

Girard-Perregaux, Chaux-de-Fonds, No. 80648,made in 1876.Very fine and rare 18K gold, hunting cased, keyless pocket chronometer, with one minute tourbillon regulator, awarded a Bulletin de Première Classe at the Observatory of Neuchâtel.

CHF 80,000 - 90,000

C. Four body, massive "bassine et filets", engine-turned with ribbed band, the cover centred with a monogram. Hinged gold cuvette with engine-turned border. D. Silver with Roman numerals, outer minute ring and sunk subsidiary seconds, fully decorated with engraved and gold cast foliage "grippé" decoration. Blued steel "tulip" hands. M. 19''', nickel plated, gold wheel train, 15 jewels, pivoted detent escapement, cut bimetallic balance, blued steel balance spring with terminal curve. Guinand typel, polished steel tourbillon carriage with gold index scale.Signed on the dial cuvette and movement.Diam. 56 mm.


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Grading System
Grade:
Case: 3

Good
Movement: * 3
Dial: 3 - 01

Notes

A chronometer, No. 2600, by Henri Grangeand, Locle, with almost identical movement, is described and illustrated by Reinhard Meis, in Le Tourbillon, Editions de l'Amateur, Paris 1990, p.155.