Important Collectors Wristwatches, P...
Geneva, Hotel Des Bergues, Oct 20, 1991
Paul Ditisheim, La Chaux-de-Fonds, Swiss, No. 195, circa 1930. Very fine and rare 52-hour going Paul Ditisheim patented center-seconds marine chronometer, with detent escapement.
C. Three piece mahogany box with external brass handles, glazed upper section with hinged lid, Gimballed suspension. D.Eccentric matt silvered with Roman and Arabic nmerals, outer seconds ring, up-and-down winding indicator. Blued-steel "bâtons" hands. M. Small eccentric full plate, Ditisheim special caliber with going-barrel, the spring detent escapement with gold 'scape wheel, isolated in an independent glazed drum, brassinvar Guillaume balance, free sprung blued-steel balance spring with terminal curve. Keyless winding button beneath the drum, special handsetting with a milled disc on the gimball pivot. Signed on the dial and movement. In very good condition; Dim. 18.5 x 18.3 x 18. 3