tough solar (solar powered), 100-meter water resistance, electro-luminescent backlight, full auto el light, low-temperature resistant (-10 °c/14 °f)
digital compass, altimeter, barometer, thermometer, duplex lc display, world time, sunrise, sunset time display, stopwatch, countdown timer, 5 daily alarms
hourly time signal, battery level indicator, power saving (display goes blank to save power when the watch is left in the dark), full auto-calendar, 12/24-hour format, button operation tone on/off
approx. battery operating time: 6 months on rechargeable battery (operation period with normal use without exposure to light after charge) 23 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)