This is one of our most popular vintage watch straps! These are made from an ultra unique and extremely rare French ammo pouch that dates back to the 1960s.The thickness is around 3mm to 3.75mm and they will last a lifetime, even through the toughest of conditions. We keep the construction very simple with 1 piece of vintage leather and your buckle of choice, along with tubes. Handmade In The USA (San Diego, Ca) Turnaround Time: Generally 3-6 Business Days