Heuer monaco black racing leather strap ?

I am searching for a black leather racing strap for my Monaco 1133. Should be genuine heuer or at least similar to the one worn from S. McQueen in "Le mans"

Does anybody know, where to find ?

This one is not genuine vintage heuer, isn´t it ??

https://www.ebay.com/itm/Heuer-Mona...417181?hash=item257d81525d:g:KvoAAOxyZqhRgnke