Collection: Glass for G-shock

Casioak GA-2100 Replacement Crystals – Flat Mineral & Sapphire Glass

Upgrade or restore your Casio GA-2100 with our precision-cut replacement crystals, designed to fit seamlessly into both stock and modified “Casioak” builds. Whether you’re going for a full metal mod, stealth look, or simple restoration, our collection includes flat mineral and sapphire crystals with exact OEM sizing and clean edge finishing.

Crafted for clarity, durability, and perfect fit, each crystal is made to drop directly into the GA-2100 case, maintaining water resistance and original gasket compatibility. Choose from uncoated, clear AR, or blue AR finishes to match your mod style.