Casio Men's G-Shock Watch

Multi-Band Atomic Timekeeping (US, UK, Germany, Japan, China) Receives time calibration radio signals which keep the displayed time accurate Auto receive function (up to 6 times per day/up to 5 times per day for China) Manual receive function Signal: US WWVB, UK MSF, Germany DCF77, Japan JJY40/JJY60, China BPC Frequency: US 60kHz, UK 60kHz, Germany 77.5kHz, Japan 40/60kHz, BPC 68.5kHz Tough Solar Power Shock Resistant 200M Water Resistant Full Auto EL Backlight with Afterglow Tide Graph (tide level for specific date and time) Moon Data (moon age of the specific date and moon phase graph) World Time 31 times zones (48 cities + UTC), city code display, daylight saving on/off 4 Daily Alarms and 1 Snooze Alarm Hourly Time Signal 1/100 second stopwatch Measuring capacity: 23:59'59.99" Measuring modes: Elapsed time, split time, 1st-2nd place times Countdown Timer Measuring unit: 1 second Input range: 1 minute to 24 hours (1-minute increments and 1-hour increments) Battery power indicator Power saving function Button operation tone on/off Full Auto Calendar (pre-programmed until the year 2099) 12/24 Hour Formats Accuracy: ± 15 seconds per month (with no signal calibration) Storage battery: Solar rechargeable battery Approx. battery life: 9 months on full charge (without further exposure to light)