Casio Men's Pro Trek PRG-270-1 Tough Solar Triple Sensor Multifunction Digital Sport Watch Digital Sport Watch null Digital Sport Watch Digital Sport Watch About this item Tough Solar Power,100M Water Resistant,Low Temperature Resistant (-10 C / 14 F),Module 3415,Approx. Battery Life: 9 months on full charge (without further exposure to light) Accuracy: +/- 15 seconds per month ,Full Auto Calendar (Pre-programmed until the year 2099),5 Daily Alarms (4 one-time and 1 snooze alarm),World Time 31 time zones (48 cities + UTC), city name display, daylight saving on/off Full Auto LED (Super Illuminator) Backlight with Afterglow,Countdown Timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 minute to 24 hours (1-minute increments ans 1-hour increments) Barometer Display range: 260 to 1,100 hPa (7.65 to 32.45 inHg) Display unit: 1 hPa (0.05 inHg),Thermometer Display range: -10 to 60 C (14 to 140 F) Display unit: 0.1 C (0.2 F) Digital Compass Meas...