ABOUT Hirsch Stone Performance Watch Strap in Black This exceptional hybrid watch strap combines the beauty of natural materials with cutting-edge technology, ensuring both durability and an exquisite design. Not only does the unique slate rock provide a lightweight yet robust accessory, but its seasonal colour variations also offer a way to express your personal style. With each bracelet being one-of-a-kind, you not only wear a stylish piece but also a story from nature that adds a touch of elegance to any outfit, making it the perfect companion all year round. Please note: Any watches pictured are for illustration purposes only and are not included. Due to the hand-made nature of these products, straps may vary slightly from those pictured. SPECIFICATION Upper layer: Split Slate RockLower layer: Ventilated Caoutchouc RubberWater resistance: WaterproofPart number: 092 50 44 What's Included x1 Hirsch Stone Performance Watch Strap x1 Hirsch HCB buckle x1 Fixed & x1 loose keeper x2 Quick-release spring bars The Strap Size Guide below lists the currently-available dimensions of this strap. STRAP SIZE GUIDE Watch End Buckle End Thickness(Watch End) Thickness(Buckle End) Length 19mm 18mm 5.5mm 2.8mm L 20mm 18mm 5.5mm 2.8mm M, L 21mm 20mm 6.0mm 3.0mm L 22mm 20mm 6.0mm 3.0mm L Length 'M' is equal to 110mm/70mm (180mm overall) Length 'L' is equal to 120mm/80mm (200mm overall) .table_component { overflow: auto; width: 100%; } .table_component table { border: 1px solid #dededf; height: 100%; width: 100%; table-layout: auto; border-collapse: collapse; border-spacing: 1px; text-align: left; } .table_component caption { caption-side: top; text-align: left; } .table_component th { border: 1px solid #dededf; background-color: #7a7a7a; color: #ffffff; padding: 5px; } .table_component td { border: 1px solid #dededf; padding: 5px; } .table_component tr:nth-child(even) td { background-color: #eceff1; color: #000000; } .table_component tr:nth-child(odd) td { background-color: #ffffff; color: #000000; }