| 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 |