Important Watches, Wristwatches and C...
Geneva, Hotel Des Bergues, Oct 17, 1993
LOT 79
Robert & Courvoisier, la Chaux-de-Fonds, Swiss, circa 1790. Extremely rare, 18 ct. gold calendar watch with special calibre and double virgule escapement.
CHF 8,000 - 9,000
C. Double body, Louis XVI, polished. D. White enamel with gilt Breguet numerals on a blue chapter ring, outer minute and calendar rings (slightly restored on the border of the winding hole). Gold hands pierced with entrelacs. M. GiIt brass full plate with cylindrical pillars, the going barrel passing through the back plate, double virgule escapement of the type improved by Romilly, plain gold three-arm balance, flat balance spring. Signed on the dial. In good condition. Diam. 55 mm.
Notes
The rarest of the French escapements, the
escapement à double virgule is reputed to be the
invention of André Charles Caron, Lepine father-inlaw.