Look to Yema. The Superman GMT is my travel watch; it's 39mm and has a slim case providing an awesome vintage feel. I don't wear it on the bracelet but it's not bad, and at $1500 you have $1k left in your budget to explore aftermarket BoR options
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Mine is the limited-edition blue/gray which I'll have to be maybe a bit more careful with, but this new line above will not be limited in production.
https://en.yema.com/pages/dive-watches
The regular Superman Heritage or the Rallyegraph chronos might fit the bill too.
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