I am surprised it is not Omega itself which puts these names on the dials : it would mean that the watches would have been disassembled individually up to the dial, and would be surprised if Omega had accepted it on brand new watches prior to its sale, and what about the related extra cost ?
I'd rather think it's been made to order (X pieces of this model - Y pieces of that one...) and delivered to the seller, as it is stated on the Extract of Archives, eg : " Delivered to : Switzerland, Meister-Uhren AG, Zürich "
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