Need help identifying if this is authentic

[Nodelicious]

A gentleman around my office is selling a Tudor military watch that was given to him. It has a numeric inscription in the back. The weird thing about this watch however is that it has the Mercedes type hand but the dial is the snowflake dial. I can't seem to find another example like it anywhere on the Internet. Makes me wonder if this is a fake. So I'm turning to the experts in hopes that somebody can give me a hand with this.



Thanks for any help.