This watch belongs to my 83 year old Uncle, who received it from his late brother. We would like to know how old, is it a railroad watch and what it may be worth. Illinois Antique Pocket Watches 12 Pocket Watch. Illinois Pocket Watches 1910-1919. 146 YEARS OLD ILLINOIS HOYT SIZE 18s COIN SILVER HUNTER CASE KW KS POCKET WATCH. Illinois Watch Co. 16 size 21 jewel hunting case lever-set Bunn Special pocket watch. Bunn Special HC.