Rare Vintage Casio Bio Graph BH-100W Men’s Digital Sports Watch JDM 1980s

Up for sale is a rare vintage Casio Bio Graph BH-100W men’s digital sports watch, powered by Module 946 and produced for the Japan Domestic Market (JDM) during the 1980s. The Bio Graph series was one of Casio’s more innovative digital watch lines of the era, combining traditional digital timekeeping functions with biorhythm and birthday tracking features. With its distinctive design and unique functionality, the BH-100W remains a highly collectible and increasingly difficult-to-find model from Casio’s golden age of digital watch innovation. The watch is in full working condition, and all features and functions of the watch are working properly. All parts of the watch are original with the exception of the aftermarket strap. The watch is in great physical condition with signs of use and age. The photos best describe its physical condition and should be reviewed carefully. Key Details: • Brand: Casio • Model: Bio Graph BH-100W • Module: 946 • Era: 1980s • Market: Japan Domestic Market (JDM) • Functions: Timekeeping, alarm, chronograph, biorhythm tracking, birthday memo, calendar, and additional digital functions • Strap: Aftermarket strap • Water Resistance: 50M • Condition: Full working condition; great physical condition with signs of use and age A highly collectible and increasingly difficult-to-find Casio Bio Graph model that showcases the creative and experimental digital technology that made Casio a leader in watch innovation during the 1980s. Ships carefully. Feel free to message me with any questions.