This is an original key wind sterling silver pocket watch dating to circa 1866 from J.T. of Chester, England. Interior of the back case has silversmith identification markings, J.T, which correspond to John Gaskins Tyton & Sons. Chester's long history in relation to the Chester Hallmark dates back nearly 600 years with official records dating as far back as the 17th century. Pocket watch has a hand-tooled sterling silver case, as denoted by the English walking Lion .925 Sterling Silver mark found in the case twice, with a half globe glass face with the exterior showing good condition overall with a warm patina. Inner mechanisms not working. 1 7/8" diameter. Non functioning with the seconds dial lose.