An English rosewood 56-hour chronometer, by Joseph Sewill, circa 1870

10-cm silvered dial with Roman numerals signed Joseph Sewill South Castle St. Liverpool No. 683, silver hands, subsidiaries for up/down and seconds, 56-hour spring driven fusee and chain movement with earnshaw's detent escapement, helical balance and bi-metallical balance, spotted plates, brass case suspended in gimbals, three tier rosewood case in fine original condition with brass handles and mounts.
This chronometer is very appealing due to its original top lid, patina and condition.