【Replacement Inner Case for Casio G-8900 – Plastic Module Holder for 3285 Movement】 – Precision-molded replacement inner case designed for Casio G-SHOCK G-8900 series. Also known as the module holder – the critical internal component that securely cradles the 3285 module within the large 52mm case-. Crafted from durable plastic resin – lightweight yet rigid enough to protect the movement from impact. Essential for watch restoration, case swaps, and full-scale modifications. Replaces worn, damaged, or aged original holders to ensure your module stays perfectly aligned and protected.
The Core of G-8900’s Shock Protection – The inner case is the unsung hero of G-SHOCK’s legendary toughness. It positions and secures the 3285 module inside the outer shell, acting as a shock-absorbing cradle that distributes impact forces away from the delicate movement-. A compromised inner case can lead to module misalignment, button malfunction, or reduced shock resistance. Replacing it during a full restoration is essential for maintaining OEM-level durability.
Precision Fit for 3285 Module – Specifically engineered for the 3285 module found in all G-8900 series watches-. Features the exact internal geometry to securely cradle the movement, with precision-cut openings for the button contacts, buzzing horn, and LCD alignment. Ensures a rattle-free, perfectly aligned fit for your module.
Essential for Every G-8900 Mod – Whether you're swapping cases, doing a full restoration, or upgrading components, the inner case is a must-check component. Key use cases:
Full case swaps – transfer your module to a new shell with a fresh inner case
Complete restoration – replace aged or damaged internal components
Button repair – ensure proper alignment of the signature front pushers-
Shock protection restoration – restore the watch to factory-spec toughness
Compatible with G-8900 Series – Specifically engineered for G-8900, G-8900A, G-8900GB, GLS8900, GR8900A, GW8900A, and all G-8900 subseries-1. The precision-molded design matches the large 52mm case and 200m water-resistant platform-. Also compatible with G-8900S, G-8900SC, G-8900DGK variants-. Please confirm your watch model before ordering – model numbers are engraved on the case back-7.
OEM-Spec Alternative – Precision-molded to match original Casio specifications. A cost-effective solution compared to OEM service parts. Note: These are aftermarket replacement parts, not genuine Casio® parts.
DIY-Friendly Installation – Direct replacement for the original inner case. Installation requires basic watch repair tools – open the case back, remove the module, and transfer to the new inner case. Professional installation recommended for best results. Movement not included – reuse your original Casio internals.
