specification Case / Bezel / Strap Material: Resin Impact-resistant construction Mineral glass Water resistant to 200 meters Solar power Fully-automatic EL backlight illumination Radio wave receiving function: automatic signal receiving (up to 6 times a day, no longer receiving after successful reception; receiving signals in China, 5 times a day) / manual signal receiving <China> Received radio waves: BPC, frequency: 68.5kHz <Japan> Received radio waves: JJY, frequency: 40kHz / 60kHz (Fukushima / Kyushu two transmitters corresponding models) <North America> Received radio waves: WWVB, frequency: 60kHz <Europe region> Received radio waves: MSF / DCF77, Frequency: 60kHz / 77.5kHz * When the local time is set to a city that can receive signals, receive radio waves suitable for the city's transmitting station. The time difference is automatically set according to the selected city. world time 31 time zones (48 cities + Coordinated Universal Time), city code display, daylight saving time (on / off) Moon phase data (built-in moon age and moon phase diagram) Tide chart (tidal level at a specific date and time) Preset Tidal Point: 100 (Global)
Stopwatch
Measurement unit: 1/100 second
Measuring range: 59'59.99 "
Measurement mode: elapsed time, halfway time, time difference between first and second place
Countdown (two groups: can be used alternately between two different speeds during interval training)
Measurement unit: 1 second
Measuring range: 00'05 "-99'55" (increase units: 1 minute and 5 seconds)
Other: Can set repeat times from 1 to 10
5 independent alarms (including 1 snooze alarm)
report punctually
Battery indicator
Power saving function (automatically close the screen after a period of time in the dark to save power)
Fully automatic calendar (to 2099)
12/24 hour clock switch
Operation sound (on / off)
Time mode: hour, minute, second, pm, month, day, week
Accuracy: ± 15 seconds per month (when not receiving radio waves)
Estimated battery life:
In the case that the solar cell does not generate electricity, it can continuously operate after being fully charged:
When each function works normally: about 10 months
Under power saving state: about 26 months