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

Hamilton Watch Co., Lancaster, Penn., model 21 marine chronometer and bowl only, 14 jewel, key wind and set, straight line damascened nickel plate movement with spring detent escapement and chronometer balance with helical balance spring, Arabic numeral, silvered metal dial with wind indicator, black painted steel spade and poker hands, serial #2E12680, contained in a cylindrical aluminum shipping container bowl with shallow dent, dial and hands good, movement with minor scratches, running