Trench Watch ID

I was always under the impression that this was a WW1 trench watch.
This is a metal detecting find so I am aware of the condition and that this piece will never tell time again.
I keep it for it’s historical value.
Can I get opinions as to the makers marks or age?
Thank you

 

http://blog.watchdoctor.biz/2015/07/08/watches-from-world-war-i/

 

Feb...2018.............what ??? I gotta be lookin for this again....????????????

https://www.antiquers.com/threads/silver-trench-watch-info-request.24760/

It's not as if I don't want to help......I HAVE......but 3 years ago !!! ENUF !!

 

WOW,
Well if I didn’t say thanks then, I say thanks now!
Forgive me and the admins may remove this if they wish.

 

i was upset with myself.........you're welcome !!!

 

Marks from right to left and top down.
upright bear - Swiss for 875 and more
935 German
upright bear (small) Swiss for small items
moon crown German control mark

the WCo. can be from a plethora of Watch Companies.

a Swiss export to Germany.