Important Collectors Wristwatches, P...
Geneva, Hotel Des Bergues, Oct 20, 1991
Anonymous, Swiss (Melly Frères).
Extremely rare gilt brass bar movement with nive tooth 'scape wheel lever escapement, circa 1825. Later white enamel dial and hands. Chamb. p. 79 - 80. O.T.L. No. 53, illustration No. 3.