Illinois | Year. 1917Illinois Watch Company, founded in 1870 in Springfield, Illinois, was a leader in American watchmaking during the early 20th century. Renowned for its innovation, precision, and distinctive designs, Illinois produced a wide variety of pocket and wristwatches that became highly regarded for their quality and reliability. The brands timepieces from the 1910s reflect the transition from pocket watches to wristwatches, combining classic American