Up for sale is a rare vintage Casio Casiotron R-15 men’s digital sports watch, produced exclusively for the Japan Domestic Market (JDM) during the 1970s. This early digital model represents one of Casio’s pioneering designs from the dawn of the digital watch era, featuring a distinctive circular display layout and a sleek, futuristic aesthetic that defined the earliest days of digital timekeeping.

The watch is in full working condition — all functions operate properly, including timekeeping, day, date, and month display. The digital screen is clear, and the buttons respond as intended.

This example is fitted with its original Casio stainless steel bracelet. The watch has signs of use, but the photos best describe its physical condition and should be reviewed carefully.

Key Details:

• Brand: Casio

• Model: Casiotron R-15

• Era: 1970s

• Market: Japan Domestic Market (JDM)

• Movement: Digital Quartz

• Functions: Time, Day, Date, Month display

• Case Material: Stainless steel

• Bracelet: Original Casio stainless steel bracelet

• Condition: Fully functional; signs of use — see photos

• Made in Japan

A highly collectible early Casio digital timepiece — a true piece of horological history from the 1970s and one of the watches that helped define the future of digital watchmaking.

Ships carefully. Feel free to message me with any questions.