Important Collectors Wristwatches, P...
Geneva, Hotel Des Bergues, Oct 20, 1991
Anonymous, Swiss (Pichon, Genève).
Rare gilt brass bar movement with free standing barrel and pin-pallet lever escapement, circa 1820. White enamel dial. Chamb. p. 71. O.T.L. No. 55, illustration No. 9. According to Chamberlain, this movement was made by Pichon. Anonymous, Swiss. Nickeled bar movement with a form of Roskopf pin-pallet lever escapement, circa 1870. Silver engine-turned dial with raised numerals. Chamb. p. 70. O.T.L. No. 66.