Individual Spare PARTS For Men Invicta Reserve 1957, Band Material Stainless Steel, Band Color Steel, Band Width 35 MM, Band Length 210 MM, Buckle Type Diver, Clasp Type Deployment, Safety, No Head Piece. , Crown Type Screw Down, Case Material Stainless Steel, Case Tone Black, Steel, Case Size (mm) 52, Case Back Solid, Material of Hands 0, Color of Hands 0, Crystal Type Flame Fusion, Bezel Material Stainless Steel, Dial Material Carbon Fiber, Dial Color Black, Dial Pattern 0Purchasing these parts and having a non-authorized repair center open your watch voids all manufacturing warranties. Invicta cannot guarantee the quality standards of an altered timepiece, the standard 3-year limited warranty on Invicta timepieces shall be invalid if the timepiece is serviced at any time by an unauthorized repair center. This includes battery replacements, which must be done at an Invicta authorized repair center in order to maintain the eligibility of the warranty. Please follow the link below to learn more about Invicta's warranty.https://cdn.invictawatch.com/www/files/invicta-warranty-2018.pdf