HAMILTON Watch Co, Lancaster, PA, USA. No 2F510152738


Model 22, 2-day 'Chronometer Watch' in original Deck Box, 1942.

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Large screw back and bezel Keystone base metal case with snap-on inner dome, the rear cover fully marked for its Bureau of Ships U.S. Navy use. 35-size, 21 jewel, nickel barred movement with safety hand setting device, the barrel bar engraved 'Adj to Temp & 6 Pos.' Double-roller detached lever escapement, paired with Hamilton's monometallic 'ovalising' balance and matching balance-spring made of their specially developed 'Elinvar Extra' material. Silvered metal dial with 48 hour up/down sector, original blackened steel hands. Watch 71 mm diameter and weighing just over 11 ounces. Together with original Hamilton 2-piece box with its safety hand setting label, 15 x 12.5 x 5 cm.

Hamilton Watch Company, Lancaster, Pennsylvania - see the books by Marvin Whitney for the extraordinary history of how this company developed both a Model 22 lever escapement Deck Watch and the Model 21 box chronometer at the outset of the USA entering the Second World War. The Deck Watch came in two forms, in a pocket watch-type case, as here, and also set-up as a box chronometer in a brass bowl held in gimbals. NB: This pocket watch form is my favourite of all Hamilton's wartime production and is a most tactile, transportable and accurate master time source.

Case and dial with some minor signs of use, no doubt from its wartime action. Otherwise all in very good original condition , the box much better than most. Not serviced by me, and priced accordingly, but serviced for its previous owner and looks to be working well.