Casio W-800h Mod Jun 2026

Lay the watch face down on a soft cloth. Unscrew the four corner screws on the metal back plate. Carefully lift the plate off, ensuring the rubber water-resistance gasket stays intact.

Modding the Casio W-800H is an excellent afternoon project for watch enthusiasts. It transforms an affordable daily knocker into a feature-packed powerhouse. Your with electronics or soldering casio w-800h mod

Optional: A small scraper or needle if not using a soldering iron Step-by-Step Timer Mod Procedure Lay the watch face down on a soft cloth

: You likely forgot the AC Reset . Open the back and short the AC contact to the battery. casio w-800h mod

The most significant "internal" mods involve manipulating the solder jumpers on the watch's PCB to enable features Casio disabled for market segmentation.