Accsori designed to give your Apple Watch a different look. The AP6006 retrofit kit has a brand new upgrade. The case, band and buckle are made of 316L Stainless steel. Band Material: 316L Stainless steel Case Material: 316L Stainless steel Buckle Material: 316L Stainless steel Buckle Type: Push button folding buckle Case Size: 45 mm x 52 mm Case Thickness: 13mm Case Screw Details: 42mm & 44mm 6 screws & 45mm 4 screws Set Weight: 138grams(band 90grams & case 48grams) Band Fits: 150mm-220mm wists Compatibility Models: Apple Watch 3, 4, 5, 6, 7, 8 & SE Compatibility Case Size: 44mm, 45mm Box Include As Follows 316L Stainless steel case x 1 316L Stainless steel band x 1 Back cover screws x 10 Band connecting pin x 5 Key protection sticker Set x 2 Tweezers x 1 Screwdriver x 2 The Retrofit Kit doesnt affect the water resistant of the apple watch.