A buffalo watch strap is a type of watch band that is made from buffalo leather. grain This type of leather is known for its durability, ruggedness, and distinct natural grain pattern. Buffalo leather is often used in the construction of watch straps because of its strength and ability to withstand wear and tear over time. In addition to being durable, buffalo leather is also soft and comfortable to wear, making it an ideal choice for watch bands. As a result, buffalo watch straps are popular among watch enthusiasts who value durability and style.