Casio Men's Pro Trek Triple-Sensor Solar Powered Bio-Based Strap Watch PRG601-1

51mm Case / Soft Urethane Band (Bio-Based Resin) Triple Sensor (Altimeter/Barometer, Thermometer, Digital Compass) Solar Powered Water Resistant to 100 Meters World Time / Stopwatch / Countdown Timer / 5 Daily Alarms / Doulble LED Light / 12/24 Hour Formats