Important Collectors Wristwatches Po...
Geneva, Hotel Des Bergues, Oct 21, 1995
John Dyson & Sons, Leeds, Watchmaker to the Admiralty, No. 77097, with Chester hallmarks for 1896. Very fine 18 ct. gold, early centre seconds keyless pocket chronometer with 34 minute Karrusel regulator.
C. Three body, massive, "bassine et filets", polished, marked "J.H." (John Hewitt), the back engraved with a monogram. Hinged gold cuvette. D. White enamel with sunk centre, Roman numerals and outer Arabic minute ring. Blued steel "pear" hands. M. 20"', frosted and gilt, threequarter plate, 17 jewels, pointed-tooth lateral lever escapement, eut bimetallic balance with gold screws, balance spring with terminal curve. Bonniksen 34 minute Karrusel regulator. Signed on the dial and back plate. h1 very good condition. Diam. 54 mm.