I have the following straps for sale all were originally made for Panerai but now you can put them on other makes as long as lug holes fit 24mm or 26mm straps.
Most straps are about 4-5mm thick.
Condition can be clearly seen in photos.
1. 26mm 120/75 Paolo18 French Ammo with Polished Bent Buckle MYR$330
2. 24mm 120/75 Paolo18 Painted French Ammo with Torch Buckle MYR$330
3. 24mm 120/75 Paolo18 French Ammo with Torch Buckle MYR$330
4. 24mm 125/75 Simona Distefano Caramel Gator with Bent Buckle MYR$500