51.6 × 51.5 × 13.6 mm

78 g

Case / bezel material: Resin / Stainless steel

Silicon band

100-meter water resistance

Low-temperature resistant (-10℃/14℉)

Radio-controlled Watch; Multi band 6

Tough Solar (Solar powered)

Altimeter Measuring range: -700 to 10,000 m (-2,300 to 32,800 ft.) Measuring unit: 1 m (5 ft.) Hand indication of altitude differential Manual memory measurements (up to 30 records, each including altitude, date, time) Auto log data (High/low altitudes, cumulative ascent and descent) Others: Relative altitude readings (±100 m/±1000 m), Selectable measurement interval: 5 seconds or 2 minutes *1 second for first 3 minutes only *Changeover between meters (m) and feet (ft)

Barometer Display range: 260 to 1,100 hPa (7.65 to 32.45 inHg) Display unit: 1 hPa (0.05 inHg) Hand indication of pressure differential Atmospheric pressure tendency graph Barometric pressure tendency information alarm (beep and arrow indicates significant changes in pressure) *Changeover between hPa and inHg

Digital compass Measures and displays direction as one of 16 points Measuring range: 0 to 359° Measuring unit: 1° 60 seconds continuous measurement Hand indication of north Bidirectional calibration Magnetic declination correction

Thermometer Display range: -10 to 60℃ (14 to 140℉) Display unit: 0.1℃ (0.2℉) *Changeover between Celsius (℃) and Fahrenheit (℉)

Mineral Glass

Screw Lock Crown

Black ion plated bezel

Neobrite

World time 29 time zones (29 cities + coordinated universal time), One-touch UTC Time Zone Access, daylight saving on/off, Home city/World time city swapping

1/100-second stopwatch Measuring capacity: 23:59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times

Countdown timer Measuring unit: 1 second Countdown range: 60 minutes Countdown start time setting range: 1 second to 60 minutes (1-second increments, 1-minute increments)

5 daily alarms

Hourly time signal

Double LED light LED light for the face (Full auto LED light, Neon illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow) LED backlight for the digital display (Full auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)

LED:White

LED:Neon Illuminator (Blacklight LED)

Full auto-calendar (to year 2099)

Button operation tone on/off

The auto hand home position correction

Power Saving (display goes blank and hands stop to save power when the watch is left in the dark)

Battery level indicator

Approx. battery operating time: 6 months on rechargeable battery (operation period with normal use without exposure to light after charge) 25 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)

Accuracy: ±15 seconds per month (with no signal calibration)

12/24-hour format

Hand shift feature (manual or auto (during altitude, barometric pressure, and temperature measurement))

Regular timekeeping: Analog: 3 hands (hour, minute (hand moves every 10 seconds), second), 1 dial Digital: Hour, minute, second, am/pm, month, date, day

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

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 Manual receive The latest signal reception results