Audemars Piguet

Hello! I was seeking more details about the “new” AP Code 1159 straps as I really like them (to add on other watches). I believe those are actually made of rubber that emulates the structure of a canvas / cordura strap? And the lining is made in soft leat...  

Strap that Blancpain use it on fifty fathoms

yet upper material is different (sailcloth vs rubber). I am always amazed how a strap can change a watch anyway!

Now I know what you mean, I believe I’ve seen a strap like that by Patek where the top part looks like sail cloth while it feels like rubber and the inside lining is black rubber

Hard to tell for sure but your description seems to fit. It is a rubberized weave pattern with hand-stitched calf underside ("cousu main"). ...