The arms were officially granted in on December 6th, 1903.
„The anchor is the symbol of St. Clement, patron saint of the town. He was killed by drowning him with an anchor around his neck. The banner is from the Seal of the "Dingbank von Bracht und Kaldenkirchen"."
Wappen der Stadt Kaldenkirchen

http://www.ngw.nl/heraldrywiki/index.php?title=Kaldenkirchen
Adolf Hildebrand - constructed and added by Jürgen Krause