Also, most people plan on wearing their wedding rings until they die, but their iPhones will be up on eBay within 11mo. (Well, that's the plan at least)But wedding rings aren't anodized black.
But if we play your game let's also remember wedding rings can be polished, and typically made from very durable, hard and scratch resistant metals
My 9 month old wedding band still looks shiny, and the scratches aren't particularly visible.