SpecificationsTriple G ResistNeobriteSapphire Glass with non-reflective coatingShock ResistantBlack IP200-meter water resistanceCase / bezel material: Resin / Stainless steelLayered Composite BandOne-touch 3-fold ClaspSolid BandSolar poweredTime calibration signal receptionAuto 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 signalManual receiveThe latest signal reception resultsTime Calibration SignalsStation name: DCF77 (Mainflingen, Germany)Frequency: 77.5 kHzStation name: MSF (Anthorn, England)Frequency: 60.0 kHzStation name: WWVB (Fort Collins, United States)Frequency: 60.0 kHzStation 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 kHzThe auto hand home position correctionWorld time29 time zones (29 cities + coordinated universal time), daylight saving on/off, auto daylight saving time (DST) switching, Home city/World time city swapping1/20-second stopwatchMeasuring capacity: 1:59'59.95''Measuring mode: Elapsed timeOther: Auto-repeatCountdown timerMeasuring unit: 1 secondCountdown range: 120 minutesCountdown start time setting range: 1 to 120 minutes (1-minute increments)Daily alarmLow battery alertPower Saving (hands stop to save power when the watch is left in the dark)Full auto-calendar (to year 2099)Date displayDay indicatorRegular timekeepingAnalog: 3 hands (hour, minute (hand moves every 10 seconds), second)3 dials (24-hour, world time hour and minute, day), dateAccuracy: ±15 seconds per month (with no signal calibration)Approx. battery operating time:5 months on rechargeable battery (operation period with normal use without exposure to light after full charge)27 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)Size of case: 58.6 × 53.5 × 15.5 mmTotal weight: 188 g