JUUK 42mm Revo Premium Watch Band Made for The Apple Watch, Using Surgical Grade 316L Solid Stainless Steel, with a 316L Solid Stainless Steel Butterfly deployant Buckle (Brushed) Ultimate in comfort; each link is made up of 2 components, offering greater flexibility DOES NOT FIT SERIES 4. Fits all 42mm Apple Watches; original, Series 1, 2, and 3. Swiss quality, perfect fit and finish. Weighs 111 grams from using all solid 316L stainless steel components Custom designed end-links that are easy to install and remove with Apple's connector system One year warranty against manufacturing defects