Coromose&reg; 20mm Soft Genuine Leather Strap Steel Buckle Wrist Watch Band Brown Imported Materials: Genuine Leather. Clasp Type: Stainless steel tang buckle. Band Thickness 3.0mm(approx). Length Long side: 12.5cm(approx). Short side: 7.5cm approx (not include buckle). Lug Width: 20mm.