Casio Outdoor Casio Pro Trek Solar Watch Triple Sensor Watching Featuring an Altimeter Barometer Digital Compass Thermometer and 100M WR - Men's Black. The PRO TREK line of authentic outdoor gear for nature lovers introduces the PRG340 a timepiece that incorporates environmentally friendly bio-based resin while delivering the same comfortable fit for your wrist. The case and urethane band are crafted from bio-based resin made with castor oil and the band from bio-based resin made with corn. The duplex LCD lays out separate layers for the compass graphics and the clock functions enabling a larger compass display for better legibility and easier navigation in a design that is both functional and beautiful. The rotating bezel makes it simple to record compass readings and the Tough Solar charging system keeps the advanced functionality on the go. Get out and explore with a gentler footprint Bio-based resin are polymers produced using chemical or biological synthesis of materials sourced from plant matter or other renewable organic substances and are widely thought to help reduce environmental impact and promote the shift to a circular economy. Specifications for Casio Outdoor Casio Pro Trek Solar Watch Triple Sensor Watching Featuring an Altimeter Barometer Digital Compass Thermometer and 100M WR - Men's: Manufacturer: Casio Application: Sports Gender: Male Case Material: Resin Case Diameter: 51 mm Band/Strap Material: Resin Wrist Band Type: Strap Water Resistance Level: Water Resistant Water Resistant Mark: 100 m Weight: 54 g Features of Casio Outdoor Casio Pro Trek Solar Watch Triple Sensor Watching Featuring an Altimeter Barometer Digital Compass Thermometer and 100M WR - Mens Digital Compass Altimeter Barometer Thermometer Solar Powered World Time Sunrise and Sunset Data Stopwatch Countdown Timer 5 Alarms Double LED Backlight Water Resistant to 100 Meters Luminous Hands and Markers Calendar Package Contents: Casio Outdoor Casio Pro Trek Solar Watch Triple Sensor Watching Featuring an Altimeter Barometer Digital Compass Thermometer and 100M WR - Men's Casio Outdoor PRG340-1: Casio Pro Trek Solar Watch Triple Sensor Watching Featuring an Altimeter Barometer Digital Compass Thermometer and 100M WR - Men's Black One Size