Atomic Timekeeping Receives time calibration radio signals which keep the displayed time accurate Auto receive function (6 times per day) Manual receive function Signal: WWVB, Frequency: 60kHz
Tough Solar Power
100M Water Resistant
Date Display
Auto Calendar (pre-programmed until the year 2099)
Accuracy: +/-15 seconds per month (with no signal calibration)
Storage Battery CTL1025
Power Saving Function
Approx. battery life: 4 months on full charge (without further exposure to light)