HAMILTON LANCASTER MILITARY DECK CHRONOMETER, CIRCA 1941 Three-body nickel-plated metal case, n. 442456, screwed caseback, military engravings "Bureau of ships, U.S. NAVY, N3829-1941, Chronometer Watch, antimagnetic dust-cover. Silvered metal dial, signed, Arabic numerals, minutes track, seconds dial and power reserve indicator, pear hands. Key-less caliber Hamilton 20, "Model 22-21", nickel-plated, signed, n. 2F3901, côtes de Genève, lever escapement, monometallic balance with screws adjusted for temperature and six positions, Breguet hairspring, cam micrometer regulator. Diameter Ø: 70,5 mm Note: working, but to be serviced. TAGS: watch - orologio