NOS Rare Vintage Casio CSTERNA CSN-021 Men’s Digital Sports Watch JDM 1990s

Up for sale is an extremely rare vintage Casio CSTERNA CSN-021 men’s digital sports wristwatch, powered by Module 1635 and produced for the Japan Domestic Market (JDM) in the 1990s. The CSTERNA line represents one of Casio’s more unconventional and design-forward digital series, and this model stands out with its sleek oval case profile and highly distinctive bracelet construction. The watch is in full working condition, with all features and functions operating properly as intended. No known issues. All parts of the watch are original, and the watch comes with its original hangtag. It is fitted with its original, extremely unique CSTERNA bracelet. The watch is in near mint physical condition, showing only the most minor signs of handling and age over the years. The photos best describe its physical condition. Key Details • Brand: Casio • Line: CSTERNA • Model: CSN-021 • Module: 1635 • Era: 1990s • Market: Japan Domestic Market (JDM) • Movement: Digital Quartz • Bracelet: Original Casio CSTERNA bracelet • Case Size: Roughly 26 mm x 40 mm • Includes: Original hangtag A highly collectible and seldom-seen Casio digital model, ideal for collectors seeking rare JDM-era designs and unique case/bracelet architecture. Ships carefully. Feel free to message me with any questions.