Impact Structure (Shock Resist)Neo BrightInorganic glass (surface shape: spherical surface / curved surface)Triple G resist (Impact Structure / Earthquake Resistance Gravity Performance / Vibration Resistant Structure)20 ATM water resistantCase · Bezel Material: ResinResin bandTough Solar (Solar Charging System)Radio reception function: Automatic reception (up to 6 times / day) (China radio is up to 5 times / day) / manual reception,<Japan> Received radio waves: JJY, Frequency: 40 kHz / 60 kHz (corresponding model for Fukushima / Kyushu both stations)<North America region> Received radio wave: WWVB, frequency: 60 kHz<Europe region> Received radio waves: MSF / DCF77, frequency: 60 kHz / 77.5 kHz<China> Received radio wave: BPC, frequency: 68.5 kHz* If you set the home time setting as a city that can receive it, you will receive stations that match the city. The time difference is set by the selected city.Temperature measurement function (measurement range: -10 to 60 ° C)Needle position automatic correction functionWorld Time: 29 time cities in the world (29 time zone, automatic daylight saving time setting function) + UTC (Coordinated Universal Time) time display, Home time city replacement function, UTC direct call functionStopwatch (1/20 seconds, 120 minutes total, with flyback)Timer (set unit: 1 minute, maximum set: 60 minutes, measured in 1 second increments)Time alarmBattery charge warning functionPower saving function (In the dark place, after a certain period of time has elapsed, hand movement is stopped and power saving is done.)Date / Weekday displayFull auto calendarDrive time in the state without solar power generation since full chargeFor function use: about 6 monthsIn case of power saving state: about 29 monthsHome time city (receiving function compatible city) / received radio waveTokyo / Japanese standard radio waves JJY 40 · JJY 60(Honolulu), (Anchorage), Los Angeles, Denver, Chicago, New York / USA standard radio WWVBLondon, Paris, Athens / UK standard radio wave MSF · German standard radio wave DCF 77Hong Kong / China standard radio BPC* Each city in () may be received if conditions are good.※ When radio waves are not received, it operates with normal quartz accuracy (average monthly difference of ± 15 seconds).※ When measuring the outside temperature, please remove the watch from the arm, please do not be affected by body temperature, sweat (water droplets), direct sunlight etc.