Mod: Casio W-800h

There are many different types of Casio W-800H mods, ranging from simple to complex. Some popular mods include:

The LCD screen often has inactive segments designed for these features which become visible once the firmware registers the change. Important Risks and Considerations

The stock watch only has one alarm, but the chip supports five.

Flips the display to a stealthy, white-on-black negative screen. casio w-800h mod

: Casio offers various models in the F-Series line, including:

If you're interested in purchasing the Casio W-800H or learning more about its variations, I recommend checking out online marketplaces or visiting a local watch retailer.

Your new metal case will likely come with a new gasket and crystal already installed. Ensure the cavity is clean. There are many different types of Casio W-800H

Buy a 22mm NATO strap. Use an X-Acto knife to carefully notch out 2mm from both sides of the strap exactly where it passes through the watch lugs. Seal the cut nylon edges with a lighter flame to prevent fraying. Conclusion

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.

Submerge the entire disassembled watch module and case into a small bowl of pure silicone oil (80cSt to 100cSt viscosity) or fluorinert fluid. Flips the display to a stealthy, white-on-black negative

By carefully removing this solder jumper, you can activate a 24-hour countdown timer. 1. The Core Mod: Enabling the 24-Hour Timer

Look at pad TR2 . If it is bridged on your specific factory batch, scraping it open will unlock the multi-alarm functionality. Reassembly and AC Reset Snap the metal shield back onto the module.

: It looks modern and resembles high-end G-Shock models, but it significantly reduces legibility in low-light conditions or when wearing sunglasses. 3. Hydro Modding

The most popular Casio W-800H modification is unlocking the countdown timer. Casio uses the same internal module (Module 3223) for multiple watch models. To save manufacturing costs, they simply disabled the timer feature on the W-800H by adding a tiny solder bridge on the circuit board. Removing this bridge brings the feature back. Tools Needed Micro Phillips-head screwdriver (size #00 or #000) Fine-tipped soldering iron or a sharp hobby knife Magnifying glass or loupe Step-by-Step Instructions