34,500 CHF
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. Matte silver with applied gold upright Arabic numerals, outer minute track and sunksubsidiary seconds. Gold "Breguet" hands. 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. 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.
Auctioneer:
Antiquorum
Date:
2005-04-03
