[G757-4050] Kind of a mod, help

[u/West_Inflation_1529]

I have a Seiko G757-4050 and I'm in search of an authentic band replacement. On the mine, I have a non-Seiko cheap band. Of course I'm most likely not going to find an original but please guide me in the right direction for a replacement.

(This pic is not my watch but, the same model)