Designed to give your Apple Watch a classic, yet bold new look. Made from minimally treated, vegetable tanned leather from one of America #39;s oldest tanneries. The leather is designed to beautifully patina with time, creating a handsome, rich leather strap with a look that is uniquely yours. Brown Horween leather from the USA Fil Au Chinois beeswax linen thread Custom stainless steel lugs and buckle Designed for Apple Watch Ultra (49mm)/ 8/7 (45mm) /6/5/4 (44mm) and all previous versions of Apple Watch