Casio W-800h Mod ~repack~ Jun 2026

Work in a clean, dust-free environment with an anti-static mat to prevent ESD damage.

Press the Mode button. You should now cycle through Time →right arrow Timer (TMR) →right arrow Alarm (ALM with 5 slots) →right arrow Stopwatch (STW) →right arrow Dual Time (DT).

Cycle through the modes. You should now see a countdown timer that can be set for up to 24 hours. 2. Aesthetical Mods: Customizing Your W-800H Beyond the electronics, the is a fantastic "blank canvas" for aesthetic mods.

Note: On standard W-800H models, is connected by a tiny solder bridge or a small black resistor. casio w-800h mod

The W-800H case features printed text like "10 YEAR BATTERY" and "WR 100M".

Take the module out of the watch case. Use your razor blade to carefully peel off the top layer of polarizing film from the glass LCD screen. Go slowly to avoid scratching the glass.

Upgrades the cheap resin strap to a durable, comfortable nylon band. Phase 1: Unlocking Hidden Features (Timer & 5 Alarms) Work in a clean, dust-free environment with an

If you already have scratches, use and a microfiber cloth to buff them out completely before applying the protector. Summary of Benefits Modification Difficulty Level Solder / Scrape Mod Adds a fully functional countdown timer Medium (Requires steady hands) Polarizing Film Mod Creates a sleek, stealthy negative display NATO Strap Adapters Allows the use of comfortable 22mm bands Glass Screen Protector Prevents scratches on the soft acrylic crystal

The crystal on the W-800H is made of acrylic, meaning it scratches easily. Buying a cheap film screen protector online keeps the display crystal clear during heavy use. 3. Inverted Display Mod (Advanced)

The W-800H features an acrylic (resin) crystal which scratches easily compared to mineral glass. Cycle through the modes

The stock positive LCD is clean, but many prefer a tactical look. Modders either:

The most popular modification for the W-800H is enabling the hidden countdown timer. The watch uses the same internal module as more expensive Casio models but has a specific solder bridge on the PCB that "tells" the software to hide the timer function.

Go to Amazon, buy the base watch. Order a set of small screwdrivers. Join the r/casiomods subreddit. And remember: If you break it, you are only out the price of a pizza. Press the AC button and try again.