Hamilton watch company US Navy ship chronometer. This between 1942 and 1944 produced ship chronometer is one from 8900 for the US Navy produced chronometer, made by the hamilton watch Co, Lancaster Pennsylvania. In anticipation of the second world war wrote the US Flotten Observatory the large-scale production from ship chronometern from and with an error rate from not more than 1, 55 seconds daily, been present the hamilton prototypes at the 27.02.1942 these examination. In a row whose were these chronometer in bulk produces. The first this hamilton ship chronometer based today in the inland museum of American History. The here offered chronometer with the Ref. Number: N6630 comes within a brown wooden casing with double lid and glazed Ziffersicht. Ca. 12, 5 cm diameter of the watch case brazen, glazed in ring ducted Zifferabdeckung. Silver-coloured dial with black, Arabic indexes. Small second by 6 clock. Ambulatory, with appurtenant key. The engraving 1941 on the dial based herewith for the date of the Erstvertrags between the US government and the hamilton watch Co. Very good condition.