I agree with many of the models mentioned already (BB GMT, Pelagos LHD, BB 58 Blue). If you are looking for something a bit more formal, with date, and you are OK with a 36mm case width, you could consider the Prince Date Day. These can still be found NOS, with warranty, from online dealers in Hong Kong. Mine started as a silver linen/mosaic dial, but I swapped to a blue dial.
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