**Basic Information**
Case Dimensions (L × W × H)
56.7 × 52.7 × 14.8 mm
Weight
81 g
Case and Bezel Material
Biological Origin Resin
Band
Biological Origin Resin Band
Construction
Shock Resistant
Splash Resistant
Carbon Core Guard Structure
Water Resistance
Water resistant up to 200 meters
Power Source and Battery Life
Tough Solar (Solar-powered)
Sensor Function
Digital Compass
Measures and displays direction as one of 16 points
Measurement Range: 0 to 359°
Measurement Unit: 1°
60-second continuous measurement
Graphic direction indicator
Bidirectional calibration
Magnetic declination correction
Orientation memory
Altimeter
Measurement Range: -700 to 10,000 m (-2300 to 32,800 ft.)
Measurement Unit: 1 m (5 ft.)
Manual memory measurements (up to 30 records, each with altitude, date, and time)
Automatic data logging (high/low altitudes, automatic cumulative ascent and descent)
Hiking log data (up to 14 records of high/low altitudes, automatic cumulative ascent and descent for specific hikes)
Other: Relative altitude values (-3000 to 3000 m),
Adjustable measurement interval: 5 seconds or 2 minutes
*1 second for the first 3 minutes
*Switch between meters (m) and feet (ft)
Display Range
Barometer: 260 to 1100 hPa (7.65 to 32.45 inHg)
Display Unit: 1 hPa (0.05 inHg)
Graph of atmospheric pressure trend (last 42 hours)
Graph of atmospheric pressure difference
Informational alarm for barometric pressure trend (beep and arrow indicate significant pressure changes)
*Switch between hPa and inHg
Display Range
Thermometer: -10 to 60℃ (14 to 140℉)
Display Unit: 0.1℃ (0.2℉)
*Switch between Celsius (℃) and Fahrenheit (℉)
Exterior
Glass
Mineral Glass
Compatible Band Size
145 to 215 mm
Functions
World Time
World Time
31 time zones (48 cities + coordinated universal time), daylight saving time on/off
Sunrise/Sunset Display
Sunrise, sunset display
Time of sunrise and sunset for a specific date
Stopwatch
1/10-second Stopwatch
Measurement Capacity: 999:59'59.9''
Measurement Modes: Elapsed time, split time, 1st and 2nd place times
Timer
Countdown Timer
Measurement Unit: Countdown start time range
1 second countdown start time: 24 hours
Countdown start time setting range: 1 minute to 24 hours (in intervals of 1 minute and 1 hour)
Alarm/Hour Indicator
5 daily alarms (with 1 snooze alarm)
Hourly Signal
Illumination
LED Backlight (Super Illuminator)
Fully automatic LED lighting, adjustable lighting duration (1.5 or 3 seconds), afterglow
Illumination Color
LED: White
Calendar
Fully automatic calendar (up to the year 2099)
Mute Function
Button operation tone on/off
Energy Saving Function
Energy saving (turns off the display when the watch is left in the dark)
Battery Display/Warning
Battery level indicator
Battery Life
Estimated battery life:
6 months on rechargeable battery (usage time with normal use without exposure to light after full charge)
26 months on rechargeable battery (usage time when stored in complete darkness with energy-saving function turned on after full charge)
Accuracy
Accuracy: ± 15 seconds per month (without signal calibration)
Other Functions
12/24-hour format
Regular timekeeping:
Hour, minute, second, PM, month, date, day
Duplex LC display
Time Adjustment Details
Time Calibration Signals
Automatic reception up to six * times a day (remaining auto-receptions are canceled once one is successful)
*Five times a day for Chinese calibration signal
Manual reception
Most recent signal reception results
Time Calibration Signal Details
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
Specifications
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