This is a Rockford private label watch. It is a Kesler's Special 18s hunter grade 825 model 10 from 1898, and total production is reported at 3310 units. The movement is marked R.W.Co. Rockford, Ill. 17 jewels Adjusted S/N 516608. The model is supposed to be 10, but it has a model 8 balance cock. However this is not a switch of materials, the balance cock on this one is original as can be seen by the pictures.