The Blood Moon™ F91W Mod transforms the iconic Casio F91W into a bold and unforgettable statement piece. Featuring a custom red display filter and matching red strap, this unique modification gives the classic retro digital watch a dramatic new personality while preserving the reliability and functionality that made the F91W legendary.

Lightweight, comfortable, and instantly recognizable, the Blood Moon™ is perfect for watch collectors, Casio enthusiasts, and anyone looking to add a distinctive splash of color to their everyday style. Whether worn casually or displayed as part of a collection, this custom timepiece is designed to stand out.

Features

Authentic Casio F91W base watch

Custom red display ("Blood Moon" screen)

Matching red Leather Strap

Lightweight and comfortable for daily wear

Alarm, stopwatch, and LED light functions

Hand-modified for a unique appearance

A perfect gift for retro watch lovers, collectors, and fans of custom Casio mods.

Please Note: This is a custom-modified watch based on an original Casio F91W. Modifications are independently performed and are not affiliated with, sponsored by, or endorsed by Casio.