Electro-luminescent backlight
Full auto EL light, selectable illumination duration, afterglow
Light colour
EL: Blue Green
Calendar
Full auto-calendar (to year 2099)
Mute feature
Button operation tone on/off
Energy saving feature
Power Saving (Turns off the display when the watch is left in the dark)
Battery display/alert
Battery power indicator
Run time
Approx. battery operating time:
10 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
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 adjustment details
Time calibration signal reception
Auto receive up to six* times a day (remaining auto receives cancelled as soon as one is successful)
*5 times a day for the Chinese calibration signal
Manual receive
Last time received display
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