The A. Schild 1609 is a mechanical watch movement that was commonly used in timepieces produced around 1945. It is a manual wind movement, which means it requires manual winding to keep it running. However, the specific differences between the 051 and other related movements, such as the 050, 054, 054a, and 058, are not known.
The A. Schild 1609 features the following functions: