Please can you let me have your recommendations (photos would be great) for a black leather vintage looking strap that will fit the Nina?

Thank you!

 

https://forums.watchuseek.com/f222/

 

Proper trench strap

 

Nice!

 

He specialises in trench

http://www.vintagewatchstraps.com/index.php

 

Looking for something a little more classic but vintage...