Hi Frank. I believe the only difference between the two is the movement. I read a thread on the military watch resource website about someone who restored one, he might help you with dimensions.
I'd like to show off this one, which has come to Denmark courtesy of
@michael22 who helped me immensely!
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It's now ready to continue its military career in the Danish army
This beauty came yesterday as well; the best preserved DS I've owned:
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