Casio Men's PRG550-1A4 Pro Trek Triple-Sensor Tough Solar Analog-Digital Sport Watch Importado Tough Solar Power; Digital Compass (second hand acts as compassneedle); Altimeter; Altimeter Memory; Barometer; Thermometer; 100M Water Resistant; Low Temperature Resistant (-10C/14F); Ful lAuto LED Light with After glow; Neo-brite Luminous Hands and Markers; World Time; 29 times zones (29cities+UTC); city code display; day light saving on/off; 5 Daily Alarms; Hourly Time Signal; 1/100 second stop watch Countdown Timer; Full Auto Calendar (pre-programmeduntiltheyear2099); 12/24 Hour Formats; Button operation tone on/off; Battery Power Indicator; Power Saving Function; Storage Battery: Solar Rechargeable Battery; Approx. battery life: 6 months on full charge (without further exposure to light); Module 5213