Casio #WV-M120J-1CF Men's Atomic Multi Band 5 Tough solar Watch Multi-Band Atomic Timekeeping (US, UK, Germany, Japan), Receives time calibration radio signals which keep the displayed time accurate Auto receive function (6 times per day), Manual receive function Signal: US WWVB, UK MSF, Germany DCF77, Japan JJY40/JJY60, Frequency: US 60kHz, UK 60kHz, Germany 77.5kHz, Japan 40/60kHz Tough Solar Power, 100M Water Resistant, Full Auto EL Backlight with Afterglow, World Time, 29 times zones (48 cities), city code display, daylight saving on/off, 4 Daily Alarms and 1 Snooze Alarm, Hourly Time Signal, Countdown Timer, 1/100 second digital stopwatch Button Tone Operation On/Off, Auto Calendar (pre-programmed until the year 2099), 12/24 Hour Formats, Accuracy: +/- 15 seconds per month (with no signal calibration), Storage Battery CTL1616, Battery Power Indicator,Power Saving Function, Approx. battery life: 8 months on full charge (without further exposure to light), Module 3090, Size of case / total weight: 54.0 x 44.8 x 13.3mm / 46g