I would recommend ignoring that requirement in order to go with the Professional Speedmaster as recommended above.
The Speedy Pro is one of the few (if not the only) sub-5K watches that you can wear on your wrist and walk into a room full of mega-watch nerds and receive nearly unilateral respect from everyone in the room.
It’s a true classic and the perfect foundational watch for a collection.
I’ll add myself to the list of those who recommend
@Kringkily - while I’ve not yet had the pleasure of buying a watch from him, his reputation on this forum is excellent.
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