In my experience the extract will only give you the reference and the date of manufacture, you need to see inside the case back for the year reference, for instance my Ed White is 65 on the case back but manufactured in June 67, this is not uncommon.
As for high end sellers, there have been enough threads already on the forum about respected auction houses being very lax (or uninformed) when it comes to auction descriptions of watches.This description is far from the worst I have seen!
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