Case / bezel material: Resin / AluminumResin BandResin Glass100-meter water resistanceLED backlight Selectable illumination duration, afterglowWorld time 31 time zones (48 cities), city code display, daylight saving on/offSunrise and sunset timesDigital compass (NORTH) Hand indication of north (20 seconds continuous measurement) Measures and displays direction as one of 16 points Measuring range: 0° to 359° Measuring unit: 1° Bidirectional calibration Magnetic declination correctionThermometer Display range: –10 to 60°C (14 to 140°F) Display unit: 0.1°C (0.2°F)Moon data (moon age at noon)1/100-second stopwatch Measuring capacity: 23:59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place timesCountdown timer Measuring unit: 1 second Countdown range: 100 minutes Countdown start time setting range: 1 second to 100 minutes (1-second increments)5 daily alarmsHourly time signalFull auto-calendar (to year 2099)12/24-hour formatYear/month/day display formatButton operation tone on/offRegular timekeeping: Analog 3 hands: Hour, minute (moves every 10 seconds), second Digital: Hour, minute, second, am/pm, month, date, dayAccuracy: ±30 seconds per monthApprox. battery life: 2 years on SR927W X 2