Contains data on over 150 grades and over 1,000 serial number ranges. Determine the grade information on Hamilton pocket watches by entering a serial number. Grade information includes grade number, jewels, size, wind type, approximate year, movement style, and total production. Contains data on over 200 grades and over 2200 serial number ranges. Determine the grade information on South Bend pocket watches by entering a serial number.
Information includes grade number, jewels, size, model, year, and movement style.
Data on over 80 grades and over 520 serial number ranges. Determine the grade information on Trenton pocket watches by entering a serial number. Information includes possible grade number, plate type, wind, movement style, finish, model, set type, jewels, and year. Determine the year that an item was patented by entering in the patent number.