Walther uses a date code consisting of two letters.
A B C D E F GH I K
0 1 2 3 4 5 67 8 9
You will need to contact Walther
You will need to contact Walther.
You will have to contact Walther to find out.
@1944
1938
You will can contact Walther, but probably 1943-45.
Impossible to answer without the serial number.
70-85
No sn data for one that new. You need to call Walther.
@ late 70's
Roughly 1940-1945
Possibly late 30s