Thoughts on this tritium 3570.50?

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Hi! What can you say about this 3570.50? Any red flags?
Seller said it is unpolished and I can believe. But the font on then bezel seems to me a bit thick.. At least I never seen it on 90s or modern Speedmasters.

It is sold in 2000, so possible old stock. But not sure about a grey box from this period, saw black or red boxes so far.

Thank you!