Case / bezel material: Steel / Black IP |
Resin Band |
Sapphire Glass with non-reflective coating |
Screw Lock Crown |
Spherical Glass |
Neobrite |
TRIPLE G RESIST (Shock resistant, Centrifugal force resistant, Vibration resistant) |
Black IP |
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) |
Size of case / Total weight |
Size of case : 55.8×51.7×14.4mm |
Total weight : 123g |