39,100 CHF
French, Bongrand System, circa 1820. Fine and very unusual silver and gold manual perpetual calendar with equation of time and Réaumur thermometer. Three-body, “Empire” by François-Jean Veyrat, engine-turned back, reeded band, double fluted gold bezels, pendant with double knurled button for setting the date.
Auctioneer:
Antiquorum
Date:
2003-10-11