Hamilton Watch Co., Lancaster, Penn., model 21 marine Chronometer, 14 jewel key wind and set, straight line damascened nickel plate movement, with spring detent escapement and Chronometer balance with helical hairspring, Arabic numeral metal dial with

Hamilton Watch Co., Lancaster, Penn., model 21 marine Chronometer, 14 jewel key wind and set, straight line damascened nickel plate movement, with spring detent escapement and Chronometer balance with helical hairspring, Arabic numeral metal dial with wind indicator, engraved "U.S. Maritime Commission", black painted steel spade and poker hands, contained in a gimbaled mahogany box with brass hardware, the front with U.S. Maritime commission plaque, and the inside of the box top with instruction plate, serial #2E10626, c1945 box with minor marks and scratches, brass hardware very good, dial and hands very good, dial with some discoloration at edge, hidden by bezel, movement with a few marks and scratches, specks of dirt and dust, running well