An American Hamilton Model 21 two-day marine chronometer with electric contacts
Hamilton, No. 2E12988. Circa 1945
The movement signed MODEL 21 14 JEWELS HAMILTON WATCH CO. LANCASTER. PENN MADE IN U.S.A. and numbered 2E12988, Earnshaw escapement, bi-axial thermal expansion uncut balance, Elinvar-Extra helical balance spring, brass bowl and gimbal, mahogany box mounted on a mahogany plinth with electric circuitry and battery storage
7¾ in. (19.5 cm.) square box
An American Hamilton Model 21 two-day marine chronometer with electric contacts
Hamilton, No. 2E12988. Circa 1945
The movement signed MODEL 21 14 JEWELS HAMILTON WATCH CO. LANCASTER. PENN MADE IN U.S.A. and numbered 2E12988, Earnshaw escapement, bi-axial thermal expansion uncut balance, Elinvar-Extra helical balance spring, brass bowl and gimbal, mahogany box mounted on a mahogany plinth with electric circuitry and battery storage
7¾ in. (19.5 cm.) square box
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