The Quarter Millennium of Vacheron Co...

Geneva, Apr 03, 2005

LOT 123

Vacheron & Constantin, Genève, ?Chronomètre?, No. 392092, case No. 253355. Made in 1920. Very fine and important 18K gold keyless pocket lever chronometer. Awarded the ?Bulletin de Première Classe de l'Observatoire Astronomique de Genève? in 1924, adjusted by master adjuster Edmond Olivier. Accompanied by a Certificate of Authenticity and a copy of the Observatory certificate.

CHF 15,000 - 20,000

EUR 10,000 - 13,000 / USD 13,000 - 17,000

Sold: CHF 34,500

C. Four-body, "bassine", polished. Gold cuvette engraved: Certificat de 1ère Classe à l'Observatoire Astro-nomiquede Genève. D. Matte silver with applied gold upright Arabic numerals, outer minute track and sunksubsidiary seconds. Gold "Breguet" hands. M. Cal. R.A. 19??? 16, rhodium plated, 21 jewels, wolf tooth winding,straight line lever escapement, Guillaume balance with eight adjustments and gold timing screws, blued steelBreguet balance spring with double overcoil, Vacheron Constantin?s micrometer regulator (Patent CH 101652,registered on 1 November 1923). Dial, case and movement signed.Diam. 51 mm.


LOADING IMAGES
Click to full view
Image
Grading System
Grade:
Case: 2

Very good
Movement: 2

Very good
Dial: 2 - 01

Notes

The Observatory Certificat records the follwing results: +0,14; compensation error by degree: 0.031. For the patent of the micrometer regulator, see lot 121.