The Casio Pro Trek PRW-30-1AER is a digital watch designed for outdoor enthusiasts. It features a resin case and band, ensuring durability and flexibility. The watch is equipped with a mineral glass crystal for scratch resistance. Key functionalities include a digital compass, barometer, altimeter, and thermometer, providing essential data for various activities. It operates on Casio's Tough Solar technology, eliminating the need for battery replacements, and supports Multi Band 6 radio-controlled timekeeping for accurate time adjustments. The PRW-30-1AER offers 100 meters of water resistance, making it suitable for swimming and snorkeling. Additional features encompass a world time function, stopwatch, countdown timer, and five daily alarms. The watch measures 51.6 mm in height, 45.2 mm in width, and 12.3 mm in thickness, with a weight of approximately 66 grams. Reference number: PRW-30-1AER.