Case / bezel material: Resin / Stainless steel
Resin Band
TRIPLE G RESIST (Shock resistant, Centrifugal force resistant, Vibration resistant)
Neobrite
Sapphire Glass with non-reflective coating
Screw Lock Crown
Spherical Glass
200-meter water resistance
LED light (Super Illuminator)
Afterglow
Tough Solar (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
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
Mobile link (Wireless linking using Bluetooth®)
The auto hand home position correction
World time
39 time zones* (27 cities + coordinated universal time), daylight saving on/off, auto summer time (DST) switching
*May be updated when connected to a smartphone.
1-second stopwatch
Measuring capacity: 23:59'59''
Measuring modes: Elapsed time
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)
Daily alarm
Battery level indicator
Power Saving (hands stop to save power when the watch is left in the dark)
Full auto-calendar (to year 2099)
Date display
Regular timekeeping
Analog: 3 hands (hour, minute (hand moves every 10 seconds), second)
4 dials (24-hour, day, dual time hour and minute, dual time 24-hour)
Accuracy: ±15 seconds per month (with no signal calibration and mobile link function)
Approx. battery operating time:
5 months on rechargeable battery (operation period with normal use without exposure to light after charge)
18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)