Rare Vintage Casio Pro Trek PRT-1 Men’s GPS Satellite Digital Sports Watch JDM

Up for sale is a rare vintage Casio Pro Trek PRT-1 men’s GPS digital sports watch, produced in 1999 and powered by module 1840. This groundbreaking model holds an important place in horological history as the first wristwatch ever to incorporate a GPS sensor, making it one of the earliest examples of wearable navigation technology. Nicknamed the “Satellite Navi,” the PRT-1 was designed as a true outdoor tool watch, capable of receiving satellite signals to determine position, direction, and navigation data. The watch features multiple GPS modes including quick, auto, and continuous tracking, along with coordinate display (latitude/longitude), waypoint storage, and navigation guidance screens. These early GPS functions represent a major technological milestone and remain highly collectible today. This example is in full working condition. All features and functions of the watch are working properly, including GPS functionality. The watch has been tested and operates as intended. All parts of the watch are original, including the case, module, and strap. The watch presents in good overall condition, showing signs of use and age consistent with a vintage wearable item, but the photos best describe its physical condition. Key Details: • Model: Casio Pro Trek PRT-1 • Module: 1840 • Year: 1999 • Movement: Digital quartz • Functions: GPS navigation, coordinate display, waypoint memory, multiple GPS tracking modes, alarm, timekeeping • Original strap and clasp This is an increasingly hard-to-find piece of early wearable tech and a standout addition to any vintage Casio or Pro Trek collection, especially given its significance as the first GPS-equipped wristwatch. Ships carefully. Feel free to message me with any questions.