【Replacement 316L Stainless Steel Mod Kit for Casio GA-2100/GA-B2100 – Full Metal Case & Bracelet Set for Casioak】 – Complete all-in-one modification kit (金属改装套件) designed for the Casio G-SHOCK GA-2100, GA-2110, and GA-B2100 “Casioak” series. Crafted from solid 316L stainless steel – precision-forged, carved, and finely polished through multiple processes to ensure every detail delivers a premium finish-. The kit includes a metal case and an integrated stainless steel bracelet with a secure push-button butterfly clasp-1. The 44mm case width and 11mm thickness maintain the iconic octagonal bezel profile-3. Comes complete with installation tools and screws – everything you need for a seamless transformation-1-3. The ultimate upgrade that transforms your resin Casioak into a full-metal timepiece with a substantial, premium feel-1.
The Most Popular Mod for the Casioak – The GA-2100/GA-B2100 “Casioak” is one of the most popular modding platforms in the world, thanks to its iconic octagonal bezel inspired by luxury sports watches-. This 316L stainless steel mod kit is the definitive upgrade – elevating your G-SHOCK from a functional resin watch to a statement piece with a substantial, premium feel-1. Users describe the transformation as taking the Casioak “to another level with Royal Metal Feel”-22.
Solid Stainless Steel – Built to Last – The kit is crafted from highest-grade












stainless steel – the same material used in premium luxury watches-22. Precision processing and fine polishing deliver a durable, rust-proof, shiny finish that maintains its appearance through years of wear-. Available in multiple finishes – Silver, Black, Gold, and Rose Gold-. The stainless steel construction adds a satisfying weight (approx. 200g for the full kit)-1, giving your Casioak the presence and feel of a much more expensive timepiece.
Complete Kit – No Extra Tools Needed – This is a complete drop-in replacement kit, not just a case or strap alone. Includes metal case, stainless steel bracelet, precision screwdrivers (Phillips and flathead), and all necessary screws-3-1. Some kits include spare screws for added convenience-3. No external tools required – you can complete the transformation with the included tools in minutes-22. The kit is designed for easy DIY installation – simply remove the original resin case, install the steel case, and attach the bracelet-3.
Enhanced Button Protection & Functionality – The stainless steel bezel features recessed button guards that shield the pushers from accidental presses-1. All original G-SHOCK functions – 200m water resistance, shock resistance, and all modes – are fully preserved-. The octagonal case design is precision-machined to maintain the iconic Casioak silhouette while adding superior durability and protection.
Adjustable Fit – One Size for Most Wrists – The stainless steel bracelet is fully adjustable, fitting wrist sizes from 6.5 to 8.5 inches-3-10. The bracelet features a secure push-button butterfly clasp for effortless on/off and all-day comfort-1. The substantial yet comfortable 200g weight delivers a luxurious feel without compromising everyday wearability-1.
Precision Fit – Designed for GA-2100, GA-2110 & GA-B2100 – Specifically engineered for Casio G-SHOCK GA-2100, GA-2110, and GA-B2100 (including Bluetooth versions)-22. The 44mm case width and 11mm thickness match the original Casioak dimensions-22. Important: The kit is designed for the resin GA series – it is not compatible with the GM series or factory metal G-SHOCK models-22.
OEM-Spec Alternative – Precision-crafted to match original Casio specifications. A cost-effective solution compared to buying a factory metal G-SHOCK. Note: These are aftermarket replacement parts, not genuine Casio® parts. However, they are engineered to the same specifications as the original Casioak cases and bracelets, ensuring a seamless fit and reliable performance.