Genuine Horween Leather Company Shell Cordovan NATO style watchstraps. 18, 19, and 20mm widths. Natural, Oxblood (Horween Color #4), Dark Brown (Horween Color #8), and Black. All widths taper slightly (20mm tapers to 18mm at the buckle ends, 19 and 18mm taper to 16mm). Your choice of Stainless Steel or Gold-Plated buckle.     long. Thin, supple and elegant with a vintage feel. Incomparable. Allow 10 to 14 days for shipping. Free worldwide shipping.