185 (detail) 185.


A RARE HAMILTON MODEL 221 4-ORBIT TWO-DAY MARINE CHRONOMETER, 1944


the 4in. silvered dial signed outside minute ring Hamilton / Lancaster, P.A., U.S.A. and numbered in middle dials ‘4E006 1944’, outer minute dial with 24-hour dial, seconds, week days and up/ down dials within, black steel hands to fully counter-signed and numbered 14 jewel movement with silvered line-finished plates, Earnshaw-type escapement with uncut stainless steel balance, Invar cross-arm and Elinvar helical balance spring, spring detent with jewelled locking stone, contained in a brass gimbal-mounted bowl within three-tier mahogany box with tipsy key, maker’s plates and rating certificate for 1973 -- 7½in. (19cm.) square


£3000-5000


185


186. A 19TH-CENTURY CHRONOMETER GUARD-BOX


complete with leather strap, inscribed inside lid [illegible] -- 9¼in. (23.5cm.) high; together with a 19th-Century marine stick barometer, unsigned, for restoration; and two modern brass barometer gimbals


(4)


Lot sold not subject to return - as per condition report. £100-150


187.


A FINE AND RARE SILVER-CASED KEYLESS DECK WATCH BY VACHERON & CONSTANTIN, GENEVE, PRODUCED FOR THE BRITISH HYDROGRAPHIC SURVEY, 1940’S


with 2in. matt silvered dial signed as per title with Arabic numerals and blued-steel spade hands with sweep seconds, 21 jewels, straight line lever escapement with Guillaume balance and special alloy Breguet balance spring, swan-neck micrometer, movement counter-signed and numbered ‘454898’, contained in fully-marked silver case numbered ‘286295’ stamped on reverse ‘H.S. 2 54898’ with Government broad arrow mark (suspension fob missing) -- 2½in. (6.5cm.) diameter


£2000-3000


187 64


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