Rare Vintage Casio C-80 Men’s Digital Calculator Watch JDM 1980s Module 133

Up for sale is an extremely rare vintage Casio C-80 men’s digital calculator watch, produced for the Japan Domestic Market (JDM) during the 1980s and powered by Module 133. This early Casio calculator model is one of the brand’s most iconic designs, combining practical computing functionality with classic square digital styling. The watch is in full working condition, and all features and functions operate properly as intended, including timekeeping, calculator, alarm, and backlight functions. The screen is 100% screen bleed free. The watch is fitted on an aftermarket strap. All other parts of the watch are original. The watch is in very good physical condition with signs of use and age. The photos best describe its physical condition and should be reviewed carefully prior to purchase. This example is offered in an extremely rare brown resin case colorway, a variation that is seldom seen and almost never appears publicly for sale. Brown-case C-80 models are considered among the hardest-to-find variants and are highly sought after by serious Casio collectors. Key Details * Brand: Casio * Model: C-80 * Module: 133 * Era: 1980s * Market: Japan Domestic Market (JDM) * Movement: Digital Quartz * Functions: Calculator, Time, Alarm, Backlight * Case Material: Plastic/Resin (rare brown colorway) * Strap: Aftermarket strap A standout and highly collectible Casio calculator watch, ideal for collectors of rare JDM Casio digitals and early calculator models. Ships carefully. Feel free to message me with any questions.