Diving feature Dive time and surface interval measurement function Dive time: 1 second increments, up to 23:59'59 Surface interval: 1 minute increments, up to 47:59'59 Memory capacity: One set of data (dive time, dive start time, dive date)
World time 31 time zones (48 cities + coordinated universal time), daylight saving on/off
Moon data (moon age of a specific date, moon phase graph)
Tide graph (tide level for specific date and time)
Stopwatch 1/100-second stopwatch Measuring capacity: 23:59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times
Timer Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 minutes to 24 hours (1-minute increments and 1-hour increments)
Alarm/hourly time signal 5 daily alarms (with 1 snooze alarm) Hourly time signal
Light Electro-luminescent backlight Full auto EL light, selectable illumination duration, afterglow
Light color EL:Blue Green
Full auto-calendar (to year 2099)
Button operation tone on/off
Power Saving (display goes blank to save power when the watch is left in the dark)
Battery power indicator
Run time Approx. battery operating time: 8 months on rechargeable battery (operation period with normal use without exposure to light after charge) 26 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
Other features 12/24-hour format Regular timekeeping: Hour, minute, second, pm, month, date, day Time adjustment details 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