If the price is too good to be true, probably fake!
And as per the previous comments. Every fake Panerai I've (unknowingly) enquired about I was sent blurry and poor quality photos.
Inspect in person if you can and take a loupe with you. It will make them very nervous. And while you look at it, say nothing and let them do the talking...wait and see what happens.
Would definitely have to see a clearer closeup of the balance wheel bridge and the parts that make up the shock system. The incabloc washer and the adjustment lever does look properly aligned. However, as others said ... go with the buyer, and any buyer worth their weight has the means to take better photos, or maybe their kids have more experience with their iPhone, have them take the photos.
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