Hadley-Roma Men's 18mm Silicone Watch Strap, Color:Black (Model: MSM945RQ-180) Genuine Silicone with silky smooth finish and Red stitching Band width: 18 mm (Width of band at the case lugs) Men's regular length - 120x75mm Waterproof Sport and diver band with stainless steel buckle Handcrafted in the U.S.A.