Seasons Greetings to you too!
Yeah, not too tricky... take the bezel off a 1675 rep.

And get a rubber waffle pattern strap. And, er, that's about it. Obvs it's possible to go way further with vintagizing the watch, inscribing the caseback with the owner's name just like the original, etc. It depends how far down the repro/modding hole you want to dive!
Here’s one I just made in 5 minutes using a project drawer stock cartel GMT and a rubber strap in the right sort of pattern from cheapestnatostraps…