Sensor feature Digital compass Measuring range: 0 to 359° Measuring unit: 1° 20 seconds continuous measurement Graphic direction pointer Auto level correction function Direction compensation (figure 8, 3-point) Magnetic declination correction Thermometer Display range: -10 to 60℃ (14 to 140℉) Display unit: 0.1℃ (0.2℉) *Changeover between Celsius (℃) and Fahrenheit (℉)
Diving feature Diving mode Measuring range: 0.0 to 80.0m (0.0 to 262.5ft) Measuring unit: 0.1m (0.5ft) Dive time: 1 second increments, up to 5:59'59 Surface time measurement Ascent rate alarm Log data Automatic data recording of up to 20 records (dive start year, month and day, start time, dive time, maximum depth and lowest water temperature) Time stamp recording of up to 20 records (hour, minute, second, year, month, date, day (diving mode: depth and water temperature / compass mode: bearing angle / thermometer mode: temperature)
World time 31 time zones (48 cities + coordinated universal time), daylight saving on/off
Moon data (moon age of the specific date, moon phase)
Tide graph (tide level for specific date and time)
Stopwatch 1/100-second stopwatch Measuring capacity: 99:59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times
Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
Alarm/hourly time signal 5 daily alarms (with 1 snooze alarm) Hourly time signal
LED backlight (Super Illuminator) Full auto LED light, selectable illumination duration (1.5 seconds or 3 seconds), afterglow
Light color LED:White
Full auto-calendar (to year 2099)
Button operation tone on/off
Battery level indicator
Run time Approx. battery operating time: 7 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)
Accuracy: ±15 seconds per month (with no signal calibration)
Other features 12/24-hour format Regular timekeeping: Hour, minute, second, pm, month, date, day
Time Calibration Signals Station name: DCF77 (Mainflingen, Germany) Frequency: 77.5 kHz Station name: MSF (Anthorn, England) Frequency: 60.0 kHz Station name: WWVB (Fort Collins, United States) Frequency: 60.0 kHz Station name: JJY (Fukushima, Fukuoka/Saga, Japan) Frequency: 40.0 kHz (Fukushima) / 60.0 kHz (Fukuoka/Saga) Station name: BPC (Shangqiu City, Henan Province, China) Frequency: 68.5 kHz Time calibration signal reception Auto receive up to six* times a day (remaining auto receives canceled as soon as one is successful) *5 times a day for the Chinese calibration signal Manual receive The latest signal reception results