Case / bezel material: Resin / Stainless steelOne-touch 3-fold ClaspSolid BandLayered Composite BandShock ResistantTRIPLE G RESIST (Shock resistant, Centrifugal force resistant, Vibration resistant)NeobriteSapphire Glass with non-reflective coating200-meter water resistanceSolar poweredTime calibration signal reception Auto 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 signal Manual receive The latest signal reception resultsTime Calibration Signals 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 kHzThe auto hand home position correctionWorld time 29 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 stopwatch Measuring capacity: 1:59'59.95'' Measuring mode: Elapsed time Other: Auto-repeatCountdown timer Measuring unit: 1 second Countdown range: 120 minutes Countdown 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 timekeeping Analog: 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) 
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