I don't think the dial is original. The Omega logo is of the modern style as opposed to a '50's era applied logo. The dial is signed T SWISS MADE T (that indicates tritium) and it has no tritium on the dial. The numerals would have been painted in a different style or with tritium. The dial appears to be stamped looking at the subdial and not up to Omega standards. I think it is aftermarket.
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