Give your watch a classic style with a comfortable and extremely durable perlon watch strap. The perlon strap has been a popular watch band since the 1960's and it is easy to understand why just looking at it. This strap comes with the steel buckle perlon buckle. Technical information: Material: Braided perlon nylon with an incredibly durability and 100% waterproof. Length and thickness: The strap is about 1 mm thick and 27 cm long. The length is easy to adjust by moving the buckle over the strap.