TechSwiss calfskin leather watch bands are made from leather, known for its softness and durability. Calfskin leather is often used for watch bands because of its ability to retain its shape, which makes it comfortable to wear. Additionally, calfskin leather is also resistant to scratches and stains, making it a practical choice for a watch band. Calfskin leather can be found in a variety of colors, including black, brown, and tan. It can also be treated to have a glossy or matte finish. Calfskin leather watch bands can be a versatile and durable option for any watch collection.