Incredible little group.
The battle damage likely deflected shrapnel or a bullet.
The German Dog Tag is marked with:
Unit: Ersatz Batl Fuss Gar Batt Nr 5112
Research shows that Karl Bernhardt survived the war and died in his hometown of Moers in 1966 of ill health.
Watch: Incased old watch, was hit and opened, his name and date of birth matching the tag are engraved inside the watch.