All of the best ones (along with the early oversize Longines with 12.68 movements) seem to be in private hands or dealers in Europe, at least going by instagram pictures. Here is one from a dealer in the Netherlands:
http://www.carsandwatches.com/omega-calatrava-oversize/ It fulfills everything that you're looking for and it's an uncommon dial, but I would say it's overpriced. I might be convinced to buy it at that price only if the dial was in perfect condition, but alas...
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