Specification *Carbon fiber beze *TRIPLE G RESIST (Shock resistant, Centrifugal force resistant, Vibration resistant *Screw Lock Crow *Spherical Glas *Sapphire Glass with non-reflective coatin *Neobrit *200-meter water resistanc *Case / bezel material: Resin / Carbo *Solid Ban *One-touch 3-fold Clas *Stainless Steel / Resin Composite Ban *LED light (Super Illuminator) Afterglo *Tough Solar (Solar powered *Time 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 signa The latest signal reception result Time Calibration Signal Station name: DCF77 (Mainflingen, Germany Frequency: 77.5 kH Station name: MSF (Anthorn, England Frequency: 60.0 kH Station name: WWVB (Fort Collins, United States Frequency: 60.0 kH 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 kH *Mobile link (Wireless linking using Bluetooth® *The auto hand home position correctio *World tim 39 time zones* (27 cities + coordinated universal time), daylight saving on/off, auto summer time (DST) switchin -May be updated when connected to a smartphone. *1-second stopwatc Measuring capacity: 23:59'59' Measuring modes: Elapsed tim *Countdown time Measuring unit: 1 secon Countdown range: 24 hour Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments *Daily alar *Battery level indicato *Power Saving (hands stop to save power when the watch is left in the dark *Full auto-calendar (to year 2099 *Date displa *Regular timekeepin Analog: 3 hands (hour, minute (hand moves every 10 seconds), second 4 dials (24-hour, day, dual time hour and minute, dual time 24-hour *Accuracy: ±15 seconds per month (with no signal calibration and mobile link function *Approx. battery operating time 5 months on rechargeable battery (operation period with normal use without exposure to light after charge 18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge * LED:Whit *Module:554 *Size of case: 55.8×51.7×14.4m *Total weight: 171g