Individual Spare PARTS For Invicta Reserve 27712,Band Material Silicone, Band Tone Black, Band Width 26MM, Band Length 210MM, Buckle Type Regular, Clasp Type Regular, Crown Type Screw Down, Case Material Stainless Steel, Case Tone Green, Steel, Case Size (mm) 52.5, Case Back Solid, Material of Hands Metal, Color of Hands Green, Luminous, Crystal Type Mineral, Bezel Material Stainless Steel, Dial Material Metal, Dial Color Silver, Dial Pattern NonePurchasing 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