Nautilus Watch band, water -repellent Material made of fine calf leather The surface has a uniform structure Very pleasantly soft, elastic and light From Fluco from Deutschland . Strength 4 mm sewn. Model Nautilus material Veal leather, water -repellent surface uniform structure Color Black, gray, olive and blue Clasp stainless steel Length of the parts without closing 118 + 72 mm  Width of the case on the housing 19, 20, 21 22 mm Close width 16, 18, 18, 20 mm leather Due to the natural origin of the material, irregularities can occur in the surface and color. In addition, the dye can be transferred to lighter materials and fades over time. These properties testify to the authenticity of the material. We recommend protecting the product from moisture and persistent light radiation.