The Unitas 359 is a manual wind mechanical watch movement with sub second functionality. It shares similar characteristics with other A. Schild movements, including 984, 1009, 1010, 1013, 1028, 1033, 1035, 1038, 1048, 1050, 1055, 1077, 1084, 1089, 1091, 1141, 1211, 1218, 1231, 1259, 1277, 1285, 1313, 1377, 1440, and 1614. The Unitas 359 was commonly used in watches around 1940.