Case / bezel material: Resin / Carbon
Stainless Steel / Resin Composite Band
Solid Band
One-touch 3-fold Clasp
Sapphire Glass with non-reflective coating
Spherical Glass
Neobrite
TRIPLE G RESIST (Shock resistant, Centrifugal force resistant, Vibration resistant)
Carbon fiber bezel
Screw Lock Crown
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