Rare Vintage Casio J-51W Jogging Exercise Men’s Digital Sports Watch JDM 1980s

Up for sale is an ultra rare vintage Casio J-51W men’s digital jogging/exercise sports watch from the 1980s, produced exclusively for the Japan Domestic Market (JDM). Powered by Module 208, this model was part of Casio’s early fitness-oriented lineup and features dedicated jogging functions, bold red lap buttons, and a classic rectangular display layout. The watch is in full working condition, and all features and functions operate properly, including timekeeping, jogging/lap functions, alarm, timer, and chronograph. It is currently fitted with an aftermarket genuine Casio strap that complements the original design well. The watch has signs of use, but the photos best describe its physical condition and should be reviewed carefully by interested buyers. Key Details: • Brand: Casio • Model: J-51W • Module: 208 • Era: 1980s • Market: Japan Domestic Market (JDM) • Water Resistance: 50M • Functions: Time, Jogging/Lap Mode, Alarm, Timer, Chronograph • Strap: Aftermarket genuine Casio strap • Condition: Full working condition; signs of use — see photos This is an ultra rare and highly desirable vintage Casio jogging model, seldom found in working condition and especially hard to find from the original JDM release. Ships carefully. Feel free to message me with any questions.