Basic Information
Case dimensions (L×W×H)
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46.7 × 43.2 × 12.7 mm
Weight
51.7 g
Case and bezel material
Resin
Band
Resin band
Construction
Shock resistant
Water resistance
200-meter water resistance
Time adjustment
Radio-controlled watch; Multi-band 6
Power supply and battery life Watch Features
World Time
5 world time zones, 31 time zones (48 cities + Coordinated Universal Time), daylight saving time on/off, city swap between local city and world time city.
Stopwatch
1/100-second stopwatch Measuring capacity: 00'00"00~59'59"99 (for the first 60 minutes) 1:00'00~23:59'59 (after 60 minutes) Measuring unit: 1/100 second (for the first 60 minutes) 1 second (after 60 minutes) Measurement 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 second to 24 hours (1-second, 1-minute and 1-hour increments)
Alarm/hourly time signal
5 daily alarms (with 1 snooze alarm)
Hourly time signal
Light
LED backlight (Super Illuminator) Full auto LED light, selectable illumination duration (1.5 seconds or 3 seconds), afterglow
Light color
LED: White
Calendar
Full auto-calendar (to year 2099)
Mute function
Button operation tone on/off
Power saving feature
Power Saving (display goes blank to save power when the watch is left in the dark)
Battery indicator/alert
Battery level indicator
Run time
Approximate battery operating time: 10 months on rechargeable battery (operating period with normal use without exposure to light after full charge); 22 months on rechargeable battery (operating period when stored in total darkness with the power saving function on after full charge). Accuracy
Accuracy: ±15 seconds per month
Other features
12/24-hour format
Date/month display switching
Day display (selectable weekdays in six languages)
Standard time: Hour, minute, second, pm, month, day, day of the week
Time adjustment details
Time calibration signal reception Automatic reception up to six* times a day (remaining automatic receptions are canceled as soon as one is successful) *5 times a day for the Chinese calibration signal Manual reception 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