I just got a grand seiko 4520-8000 and I'm currently on the hunt for a period correct buckle (posted previously) and a period correct strap. Judging by pictures in the catalogs it looks like its a leather strap very dark in color, perhaps black or dark brown and has alligator or crocodile texture, but it's the small grain texture type. Does anyone have any examples of this? What strap did you put on your grand seiko? Any other suggestions? I'd love to see pictures!!
Here's mine for reference: