I mean, Vacheron Constatin, Breguet, and Patek Philippe still use variants of the CH27 Lemania movement today. iirc they order the parts from Lemania, and then finish them in-house, so who knows what Omega could do. The fact of the matter is that I don't see them resurrecting the 321 merely due to the fact that the 861/1861 is so much more convenient.
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