Up for sale is a rare vintage Casio men’s digital sports watch, model 79QS-39, produced for the Japan Domestic Market (JDM) in the late 1970s. This collectible early digital model features Casio’s “Universal Calendar” function along with timekeeping, alarm, and stopwatch—presented in a classic 4-button layout and housed in a stainless steel case with its original multi-link bracelet.

The watch is in full working condition, and all features and functions operate properly.

All parts of the watch are original, including the signed stainless steel bracelet and clasp.

The watch is in excellent physical condition with light signs of use and age. The photos best describe its overall appearance and physical condition.

Key Details

• Model: Casio 79QS-39

• Era: Late 1970s

• Display: Digital LCD with alarm, stopwatch, and universal calendar

• Band: Original Casio-signed stainless steel bracelet

• Origin: Japan Domestic Market (JDM)

A fantastic example of Casio’s early digital sports watch design—perfect for collectors of JDM timepieces or retro tech.

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