Dimensions (L × W × H). More information about Dimensions (L × W × H). 52.5 × 46.4 × 14.4 mm. Weight. More information about Weight. 58 g. Case and Bezel Material. Bio-based resin case/Stainless steel. Band. Bio-based resin band. Water resistance. Water resistance up to 10 bar. Environmental resistance. Low-temperature resistance (-10 ℃/14 ℉). Power supply and battery life. Solar powered. Sensor function. Altimeter. Measuring range: -700 to 10.000 m (-2300 to 32.800 ft). Manual memory measurements (up to 30 records, each including altitude, date and time). Automatic log data (high/low altitudes, cumulative ascent and descent). Hiking log data (up to 14 records of high/low altitudes, cumulative ascent and descent for specific hikes). Other: Relative altitude readings (-3000 to 3000 m) and selectable measurement interval: 5 seconds or 2 minutes. 1 second only for the first 3 minutes. Switch between meters (m) and feet (ft). Barometer. Display range: 260 to 1100 hPa (7.65 to 32.45 inHg). Display unit: 1 hPa (0.05 inHg). Atmospheric pressure trend graph (last 42 hours of readings). Atmospheric pressure differential graph. Barometric pressure trend information alarm (audible alert and arrow indicate significant pressure changes). Switch between hPa and inHg. Digital compass. Measures and displays direction as one of 16 points. Measuring range: 0 to 359°. 60 seconds of continuous measurement. Graphic direction pointer. Bidirectional calibration. Magnetic declination correction. Direction memory. Display range. of the thermometer: -10 to 60 ℃ (14 to 140 ℉). Display unit: 0.1 ℃ (0.2 ℉). Switch between degrees Celsius (℃) and degrees Fahrenheit (℉). Exterior. Glass. Mineral glass. Compatible band size. 145 to 215 mm. Watch functions. World time. World time. 31 time zones (48 cities + UTC) and daylight saving on/off. Sunrise/sunset display. Sunrise and sunset times display. Sunrise and sunset times for a specific date. Stopwatch. 1/10-second stopwatch. Measuring capacity: 999:59´59.9´´. Measuring modes: Elapsed time, split time, and 1st-2nd place times. Timer. Countdown timer. Countdown range: 24 hours. Countdown start time setting range: 1 minute to 24 hours (1-minute and 1-hour increments). Alarm/hourly time signal. 5 daily alarms (with one snooze alarm). Hourly time signal. Illumination. LED backlight (Super Illuminator). Auto LED light, selectable illumination duration (1.5 or 3 seconds), and brightness. Light color. LED: white. Calendar. Full auto-calendar (up to year 2099). Mute function. Button operation tone on/off. Power saving function. Power saving (display goes blank to save power when the watch is left in the dark). Battery display/alert. Battery level indicator. Runtime. Approximate battery operating time: 7 months with rechargeable battery (operating period with normal use without exposure to light after charging). 27 months with rechargeable battery (operating period when stored in total darkness with the power saving function activated after full charge). Accuracy. Accuracy: ±15 seconds per month. Other options. 12 and 24-hour format. Regular timekeeping: hour, minutes, seconds, p.m., month, date, and day. Duplex LC display