Casio Alti-Thermo Twin Sensor ALT-6100 Vintage Digital Sports Watch JDM 1990s

Up for sale is a Rare Vintage Casio Alti-Thermo Twin Sensor ALT-6100 Men’s Digital Sports Watch, produced for the Japan Domestic Market (JDM) during the 1990s and powered by Module 950. This highly collectible model comes from Casio’s early generation of multifunction outdoor watches, combining pressure-based altitude measurement and temperature sensing technology. The Alti-Thermo series represents an important period in Casio’s development of advanced digital instruments for outdoor enthusiasts, preceding the widespread popularity of the Pro Trek lineup. The watch is in full working condition, with all features and functions operating properly. This example is fitted with an aftermarket resin/rubber strap. The watch is in good vintage physical condition with signs of use and age consistent with a worn vintage watch. The photos best describe its physical condition. Key Details * Brand: Casio * Model: Alti-Thermo Twin Sensor ALT-6100 * Module: 950 * Era: 1990s * Market: Japan Domestic Market (JDM) * Movement: Digital Quartz * Strap: Aftermarket resin/rubber strap * Condition: Full working condition; good vintage physical condition with signs of use and age Ships carefully. Feel free to message me with any questions.