Individual Spare PARTS For Men Invicta Pro Diver 18907, Band Material Stainless Steel, Band Color Steel, Band Width 28 MM, Band Length 210 MM, Buckle Type Diver, Clasp Type Deployment, Safety, Crown Type Push, Case Material Stainless Steel, Aluminum, Case Tone Blue, Steel, Case Size (mm) 50, Case Back Solid, Material of Hands Metal, Color of Hands Luminous, Steel, Crystal Type Mineral, Bezel Material Stainless Steel, Aluminum, Dial Material Metal, Dial Color Blue, Dial Pattern Textured. Purchasing 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