Is this Seamaster sub second ref. 2891 a redial?

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Hi guys, I'm currently looking at this Seamaster Sub Second, which I believe is a ref. 2891-1 (correct me if I'm wrong) and one that has been polished and redialed.

"Seamaster" looks a tad bit thick in my opinion. Moreover I don't think there should be lumes on the indices (again please correct me if I am wrong, slowly getting my ropes around vintages ☺️)

What do you guys think? Seller is asking $600 which i think isn't worth the dial job.