The A. Schild 1900 watch movement is a larger version of the ETA 1126, with a similar base plate. It often or always features the signature "1120" on the dial side. The differences between the ETA 1121, 1123, 1125, 1127, 1129, 1131, 1133, 1139, and 1289 are not known. This movement is a manual wind, sub-second movement that was commonly used in watches around the 1950s.
The A. Schild 1900 features the following functions: