The market for Casio mods has exploded. Here is the current vendor landscape:
The SKXMOD steel case uses tiny screws for the pusher retainers. These strip easily. Use a properly sized JIS (Japanese Industrial Standard) screwdriver, not a Phillips.
Let’s combine the above knowledge into a specific build. This is the most recommended mod for first-timers who want a serious looking watch.
Goal: Convert a stock DW-800H (or W-800H-1AV) into a Black & White "Stealth Explorer." casio w-800h mod
Parts Needed:
Step 1: Module Extraction Open the four screws on the W-800H case back. Remove the rubber gasket (protect it). Lift the plastic movement holder. Press the small metal nub near the battery to release the AC reset. Remove the module.
Step 2: Stem Trimming (Crucial for Steel Cases) The stock plastic case uses plastic pushers. The steel case uses metal pushers with screws. You must trim the two pusher stems on the module (Light and Mode/Start) to fit the deeper metal case. Use flush cutters. Measure twice, cut once. The market for Casio mods has exploded
Step 3: Case Assembly Place the module into the new steel case. Ensure the zebra strips (conductive rubber) align with the LCD screen. Insert the metal pushers. Screw in the case back. It should be tight.
Step 4: Applying the Bezel Insert Clean the steel bezel. Use a thin ring of double-sided tape (3M) or B-7000 glue. Press the new 24-hour insert evenly. Align "24" with the 12 o'clock position.
Step 5: The Finish Thread the NATO strap through the steel lugs. Press the buttons to set the main time to your local zone, and the Dual Time to UTC. Rotate the bezel so the 24-hour mark aligns with UTC. The SKXMOD steel case uses tiny screws for
The Result: You now have a fully analog-digital hybrid. It is scratch-proof (sapphire), waterproof (screw-down case), and tracks three time zones. No one will believe it started as a $17 Walmart special.
Before diving into the mods, it is important to understand the base platform. The Casio W-800H usually retails for roughly $15–$20. Out of the box, it offers:
However, the stock watch has a "plasticky" feel and a resin strap that many find uncomfortable or cheap-looking. This contrast between high utility and low-cost aesthetics makes it the perfect candidate for modification.
Difficulty: 3/10 | Cost: $15 If you have the steel case mod (or even on the stock plastic case with an adhesive ring), you can swap the bezel insert.
The stock positive LCD is clean, but many prefer a tactical look. Modders either: