StrapsCo Rust Waterproof Genuine Leather Watch Band size 18mm Width: 18mm (watch end) 17mm (clasp end) Total Length (excluding buckle): 185mm | Thickness (from - to): 4mm - 2mm Material: Genuine Leather | Buckle: Polished Stainless Steel Thumbnail Buckle FREE Set of Matching Spring Bars Included Ships Same Day! (5pm EST. cut-off) | No Hassle Returns