Casio W-800h Mod [upd] Jun 2026

: 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

Leo had read the forums for weeks. The W-800H was cheap, reliable, and—if you knew the trick—transformative. The trick: remove the stock resin case, slide the module into an aftermarket metal case meant for a different Casio, shim it with o-rings, and seal it with silicone grease. Suddenly, a $20 watch could look like a $200 tool. casio w-800h mod

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. : It looks modern and resembles high-end G-Shock

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 W-800H was cheap, reliable, and—if you knew

Standard digital displays can be functional but boring. These visual mods transform the watch into a custom piece. W800H-2AV | Digital Blue, Light blue - CASIO

uses module 3240, which shares a PCB with models that include more features. By removing a specific solder jumper on the circuit board, you can enable a 24-hour countdown timer. : Open the case back and remove the module.