Accuracy at normal temperature ±15 seconds a month (with no signal calibration) Timekeeping Hour, minites, seconds, p.m.(P), year, month, day, day of the week Time format : 12-hour and 24-hour Calendar system : Full Auto-calendar pre-programmed from the year 2000 to 2099 Date / Time Records : Up to 40 records (shared storage with altitude, bearing,
and barometric pressure / temperature records) Two display formats (day of the week screen, barometric pressure graph screen) Home City code (can be assigned one of 48 city codes) Standard Time / Daylight Saving Time (summer time) Year display on setting screen only.  Time Calibration Signal Reception Auto receive 6 times a day (5 times a day for the Chinese calibration signal) Remaining auto receives cancelled as soon as one is successful Manual receive Receive Mode Digital Compass60 seconds continuous reading 16 directions (Not displayed in the Diving Mode) Angle value 0° to 359° Four direction pointers Calibration (2-point) Magnetic declination correction Bearing memory Bearing Records : Up to 40 records (shared storage with date / time, altitude,
and barometric pressure / temperature records) BarometerMeasurement and display range : 260 to 1,100 hPa (or 7.65 to 32.45 inHg) Display unit : 1 hPa (or 0.05 inHg) Reading timing : Daily from midnight, at two hour intervals (12 times per day) Every five seconds in the Barometer / Thermometer Mode Barometrice Pressure / Temperature Records : Up to 40 records
(shared storage with date / time, altitude, and bearing records) Calibration Manual reading (button operation) Barometric pressure graph Barometric pressure differential pointer Barometric pressure change indicator ThermometerMeasurement and display range : -10.0 to 60.0°C (or 14.0 to 140.0°F Display unit : 0.1°C (or 0.2°F) Reading timing : Every five seconds in the Barometer / Thermometer Mode Calibration Manual reading (button operation) Temperature Sensor Precision±2°C (±3.6°F) in range of -10°C to 60°C (14.0°F to 140.0°F) Bearing Sensor PrecisionDirection : Within ±10° North pointer : Within ±2 digital segments Pressure Sensor PrecisionMeasurement accuracy : Within ±3 hPa (0.1 inHg) World Time48 cities (32 time zones) Daylight Saving Time / Standard Time StopwatchMeasuring unit : 1/100 second Measuring capacity : 99:59'59.99" Measuring accuracy : ±0.0006% Measuring modes : Elapsed time, split time, two finishes Countdown TimerMeasuring unit : 1 second Countdown range : 24 hours Setting unit : 1 minute Alarms5 Daily alarms (four one-time alarms, one snooze alarm) Hourly time signal Sunrise / sunsetSunrise / sunset time display selectable date IlluminationLED light Selectable illumination duration (approximately 1.5 seconds or 3 seconds) Auto Light Switch (Full Auto Light operates only in dark) OtherBattery power indicator Power Saving Low-temperature resistance (-10°C / 14°F) Button operation tone on/off Power SupplySolar panel and one rechargeable battery Approximate battery operating time : 8 months (from full charge to Level 4)