This watchstrap is made from a vintage Swiss ammopouch dating back to the 1960's. This strap has the original markings from the bag; the maker's mark, year of production and the Swiss military insignia. The lining leather is soft vegetable tanned cowhide. The strap is treated with wax and leathergrease, edges polished with wax. Waxed linen thread. Ready to ship and ready to use.