Up for sale is a rare vintage Casio Casiotron S-15 men’s digital sports watch, produced for the Japan Domestic Market (JDM) during the 1970s. The Casiotron line represents Casio’s earliest generation of digital wristwatches and played a key role in establishing the brand as a leader in digital timekeeping.


The watch is in full working condition, and all features and functions operate properly. Timekeeping, calendar functions, backlight, and display operation are all working as intended.


All parts of the watch are original, including the stainless steel case and original Casio bracelet. The watch is in good physical condition overall, showing signs of use and age consistent with a worn vintage piece from the 1970s. The photos best describe its physical condition and should be reviewed carefully.


Key Details

Brand: Casio

Line: Casiotron

Model: S-15

Era: 1970s

Market: Japan Domestic Market (JDM)

Movement: Digital quartz

Condition: Fully working; all original; signs of use and age

Bracelet: Original stainless steel Casio bracelet


A desirable and increasingly hard-to-find early Casio Casiotron, ideal for collectors seeking an authentic and functional example from the dawn of digital watchmaking.


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