Guard control watch of the German armed forces, watch factory Bürk Schwenningen, probably 1960s, model "Bürk Universal" (lit. Kontrolluhren aus dem Schwarzwald, p. 74), case no. 23983, gray lacquered aluminum case, front dial with Arabic numerals, blued hands, with all three necessary keys, inside with paper roll and two-tone driving tape, runs without the respective local keys of the checkpoints, D. 12.5cm, condition of movement/housing 2