Premium Material: Genuine leather universal replacement watch band is made of Italian calfskin. Quick drying, wicks away sweat, nickel-free, keeps your wrist dry and comfortable, safe for sensitive skin. Waterproof process for men's and women's watches, breathable and soft watch band. Expansion Buckle: Durable stainless steel butterfly expansion buckle, available in 2 colors, shiny appearance, beautiful and practical, easy to put on or take off the watch band in seconds. 22mm Compatible with Most Watches: 12mm to 22mm wide watches are suitable for most automatic watches, quartz watches or smart watches. Features: This high-quality genuine leather is waterproof, quick drying, locks out sweat, other moisture and dirt, keeping your wrist dry and comfortable. Our stylish classic leather watch has a noble and exquisite appearance, suitable for business and casual occasions. Interface convex [outer 22mm-inner 14mm] cm black Material: Cowhide