Illinois Watch Company 12-Size Extra-Thin Model 3 Compared to Standard Model 3 When the Illinois Watch Company introduced their extra-thin 12-Size Model 3 around 1921, the movement had been refined.
Illinois Watch Company Metal Dial No. 51-A Fitted on an Extra-Thin A. Lincoln Grade, c.1925 This Illinois A. Lincoln extra thin watch fitted with a No. 51-A metal dial was.
Pictured: Illinois Watch Company Factory with Dial Department Highlighted, c.1880. In January 1892, the Springfield Enameling Company began operations out of the existing dial department at the Illinois Watch Company.
