That's a matte dial 16800 from the early '80s, and it doesn't appear fake, although we'd need more photos and a look at the movement to confirm. Insert is correct, and has the tell-tale pumpkin patina on the pearl, which is common on this reference.
Crown guards have been over-polished, but otherwise I think it looks pretty good.
I don't understand the OP's question, though .... Just looks like a little dirt around the cyclops.
Not saying that it's an amazing example of a 16800, but we should be careful labeling watches as "fake" if you're not sure. This stuff stays online and can confuse guys who are researching this model later on.
Here's another legit example of a 16800 with matte dial.
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