The Panzerabwehr-Abteilung (mot.) 645 was formed on 26 August 1939 and was redesignated Festungs-Panzerabwehr-Abteilung 645 in December 1939.

Sources used

Georg Tessin - Verbände und Truppen der deutschen Wehrmacht 1933-1945

Reference material on this unit

- None known at this time -