The Tech Swiss featured strap is a genuine Italian Calfskin dark brown leather, smooth leather grain, extra padded with padding tapering down at buckle holes for added comfort, matching stitching. silver-tone satin matte finish Stainless Steel buckle, Mens-standard length, soft Nubuck leather lining and matching stitching for durability. Available Sizes: 18mm, 20mm, 22mm and 24mm. Tech Swiss offers a full line of watch bands in calfskin leather, crocodile, alligator, lizard, ostrich, shark and sting-ray. We have a wide range of straps in many lengths in including Mens-standard, Ladies-standard, Long, Extra Long and XXL Long to meet your needs. Tech Swiss only uses the highest quality of materials including superior soft Nubuck and genuine leather linings. Our construction of the bands feature reinforced stitching around the band. We offer many combinations of styles, designs and buckle finishes that are all Nickel Free. All of our straps include Stainless Steel spring bars. We are confident you will not find a larger selection of leather watchstraps in colors, sizes and lengths on the market. To determine the size of watch band, see provided image.