Genuine Calfskin soft leather:Selection of high quality Calfskin, delicate texture clear, a new four layer complex process to make the watchband strong type, shape plump appearance, bottom skin with small leather breathable and waterproof performance is high, increase wearing comfort, extended hand life Watch Strap Deployment Buckle:The 316L stainless steel, anti allergy, precision polishing technology, beautiful appearance, durable, simple and…