Many options for under a grand, particularly in the Seamaster line. You may be able to find a dome dial Constellation for under a grand as well if you’re patient.
Have you seen models you like? If not, scroll through here:
https://omegaforums.net/threads/wruw-today.567/
Personally I’m partial to 50s Seamasters and 50s/60s Constellations so would recommend looking at those, but I’m not you..
Click to expand...