Important Collectors Wristwatches, P...
Geneva, Hotel Des Bergues, Oct 20, 1991
Robin à Paris, No. 69, circa 1790, escapement and balance by Winnerl, circa 1840. Rare and unusual silver pocket chronometer.
C. Three body massive "forme quatre baguettes", polished, with back later glazed . D. White enamel with Roman numerals and subsidiary seconds, marked: "Echappement et Régulateur par Winnerl". Blued-steel Breguet hands. M. Fine frosted and gilt full plate, the gilt dial-rim engraved: " Robin - Hger. du Roi", with cylindrical pillars, fusee with maintaining power, spring detent escapement, three armed cut bimetallic balance with faceted trapezoidal weights, blued-steel helical free-sprung balance spring, Emery type engraved balance bridge and hair spring stud,diamond endstone.Signed on the dial and movement. In good condition; Diam. 59 mm.