The Quarter Millennium of Vacheron Co...

Geneva, Apr 03, 2005

LOT 109

?Marine Chronometer? Vacheron Constantin, Genève, No. 378372, case No. 236497. Made in 1919. Fine and very rare, two-days marine chronometer with 56-hour power reserve and Guillaume balance in gimbaled box. Accompanied by the original outer transport case and a Certificate of Authenticity.

C. Lacquered brass bowl with weighting ring and threaded glazed bezel, gimbaled in three-body mahogany boxwith glazed panel on the top, key-lock in front, gimbal ring locked by swiveling arm mounted in the front rightcorner, outer transport case two body with leather strap. D. Silvered, radial Roman I-XII, Arabic 13-24, subsidiaryseconds at 6, power reserve indicator at 12. Blued steel ?épée? hands. M. Cal. R.A. 30 AB, frosted gilt bar caliber,16 jewels, going barrel, Earnshaw spring-detent escapement, cut bimetallic Guillaume balance with gold timingscrews, helical balance spring with Phillips outer terminal curves.Dial, and movement signed.Dim: 175 x 175 x 155 mm.