So I know absolutely nothing about this model but I literally spent 20 seconds Googling and came up with the model number of
4510.52.00. Also, I somehow found a Yahoo Japan Auction listing with the same exact picture you're using:
https://page.auctions.yahoo.co.jp/jp/auction/275876455 .
Was the seller who sold you the watch from Japan? If so, it's unlikely it's fake. It's stereotyping, yes, but the general risk of buying luxury risk is way safer than from any other country in the world.
Looks real.
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