LED backlight (Super Illuminator) 
Full auto LED light, selectable illumination duration, afterglow
Solar powered
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
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
Digital compass 
Measures and displays direction as one of 16 points 
Measuring range: 0 to 359° 
Measuring unit: 1° 
60 seconds continuous measurement 
Graphic direction pointer 
Bidirectional calibration 
Magnetic declination correction 
Bearing memory
Altimeter 
Measuring range: ?700 to 10,000 m (?2,300 to 32,800 ft.) 
Measuring unit: 1 m (5 ft.) 
Altitude Memory Function: 
Manual Readings: 40 records, each containing date and time, direction angle, altitude, barometric pressure, and temperature 
Auto Save Data: High altitude, low altitude, cumulative ascent, cumulative descent (1 value each) 
Others: Relative altitude readings (?3,000 to 3,000 m) 
Selectable measurement interval: 5 seconds or 2 minutes 
*1 second for first 3 minutes only 
*Changeover between meters (m) and feet (ft)
Thermometer 
Display range: ?10 to 60°C (14 to 140°F) 
Display unit: 0.1°C (0.2°F) 
*Changeover between Celsius (°C) and Fahrenheit (°F)
Manual data recording of up to 40 records (altitude, barometric pressure / temperature, bearing, time (Time Stamp)
Diving mode
Log data
World time 
31 time zones (48 cities + coordinated universal time), daylight saving on/off
Moon Data
Tide Grapht
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)
5 daily alarms (with 1 snooze alarm)
Hourly time signal
Battery level indicator
Power Saving (display goes blank to save power when the watch is left in the dark)
Full auto-calendar (to year 2099)
12/24-hour format
Button operation tone on/off
Regular timekeeping: Hour, minute, second, pm, month, date, day
Accuracy: ±15 seconds per month (with no signal calibration)
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)