A two day mahogany marine chronometer, Hamilton Model 21, 1940's,
silvered dial signed and numbered Hamilton, Lancaster, PA., U.S.A., N2242, 1941, Arabic numerals, subsidiary seconds and up-and-down dials, black hands, damascened nickel plated fusee movement signed Model 21, 14 jewels, Hamilton Watch Co., Lancaster, Penn., Earnshaw escapement, spring foot detent with jewelled locking stone, uncut balance with peripheral timing screws, white metal helical balance spring, the frontplate mounted with gearing for electrical connection, gimballed in brass bowl, brass bound three tier mahogany box, the middle section with signed applied plaque,
dial diam. 10cm, 19cm sq. box.