ingersoll Pocket Watch Dial Feet Locations Use the chart below to find proper dial feet location matches for any American movement. Feet Locations Manufacturer Size Model SNAP ON Ingersoll 16s 19.0 36.0 55.0 Ingersoll 16s 3 19.0 36.0 55.0 Ingersoll 16s 3 SNAP ON Ingersoll 16s