Shock Resistant 200M Water Resistant Tough Solar Power 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 Full Auto EL Backlight with Afterglow Moon Data (moon age of the specific data, moon phase graph) Tide Graph (tide level for specific date and time) Preset Tide Sites: 100 (global) 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: 00:59'59.99 Measuring modes: Elapsed time, split time, 1st-2nd place times Countdown Timer (TR1) Measuring unit: 1 second Countdown input range: 5 seconds to 99 minutes 55 seconds (5-second increments and 1-minute increments) Other: Auto-repeat Function (Timer-to-timer, 5 repeats) Countdown Timer (TR2) Measuring unit: 1 second Countdown input range: 5 seconds to 99 minutes 55 seconds (5-second increments and 1-minute increments) Other: Auto-repeat Function (Timer-to-timer, 5 repeats) Full Auto Calendar (pre-programmed until the year 2099) 12/24 Hour Formats Button operation tone on/off Accuracy: 15 seconds per month (with no signal calibration) Battery power indicator Power saving function Storage battery: Solar rechargeable battery Approx. battery life: 10 months on full charge (without further exposure to light) Module 3222