Important Collectors Wristwatches, P...
Geneva, Hotel Des Bergues, Oct 20, 1991
Robert Pennington, London, No. 556. Three quarter plate movement with fusee, English duplex escapement, bimetallic combined flat and curved rim balance, circa 1850, Without dial.
Anonymous, Swiss, Plain bar movement with steel single wheel duplex escapement, elastic suspension and compensation curb.circa 1850. White enamel dial. Lot of 2. Estimate.