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That bevelled edge seems to be a carry-over from the SPB051/053 from 2017. That one was zaratsu polished and was a really nice case - I had one - this recent one looks a bit softer to me.
I want to see the bracelet clasp though, that article I posted claims the clasp is machined rather than stamped, which would be a Very Big Deal for Seiko at this price point.
SPB053 case for reference:
Doesn't resemble the Black Bay at all when you consider how close watch details can be to one another.
Different hands, sunburst dial, lug shape and length, baton indices.
They already did a pretty much bang on reissue of the 62MAS in 2017.
https://wornandwound.com/return-62mas-seiko-prospex-sla017-spb051053/