Casio F-91W Stealth Mod

I have ruined my Casio A158WE.. Or made it better? Negative LCD stealth mod.

The Casio 30 day accuracy test. The results are in.

Modded Retro Casio F-91W Watch, on a Black NATO Strap

Roughly 10 years in, here's how my (mostly) Casio watch collection is looking - details in comments : r/casio

Fixing The Casio F91Ws Biggest Problem With This Easy Mod

F91w display is off unless I press a button. : r/casio

Casio F91W Stealth Mod : r/casio

F91w Mod

Modded Casio F-91W : 5 Steps (with Pictures) - Instructables