band: Stainless steel band Length: 150-205mm/26.0mm -Case size: 49.3 x 43.2 x 13.0mm Mass: 167g Shock-resistant structure Tough solar (solar charging system) 20 ATM water resistant function Radio wave reception function: Automatic reception (maximum 6 times/day) (Chinese radio waves maximum 5 times/day)/Manual reception, [Japan] Receiving radio waves: JJY, frequency: 40kHz/60kHz (Fukushima/Kyushu compatible model) [North America] Receiving radio wave: WWVB, frequency: 60kHz [Europe] Receiving radio wave: MSF/DCF77, frequency: 60kHz/77.5kHz [China] Receiving radio wave: BPC, frequency: 68.5kHz * Cities that can receive home time settings When set to , you will receive stations that match the city. The time difference is set by the selected city. Mobile link function (function interlocking with compatible mobile phones via Bluetooth (R) communication) - 5 world times: 39 cities around the world (39 time zones, with automatic summer time setting function) + UTC (Coordinated Universal Time) time display, with home time city replacement function Stopwatch (1/100 second (less than 1 hour) / 1 second (more than 1 hour), 24 hour meter, with split) Timer (set unit: 1 second, maximum set: 24 hours, measured in 1 second units) 5 time alarms (only 1 with snooze function), time signal Battery charge warning function Power saving function (turns off the display after a certain period of time in a dark place to save power) Full auto calendar 12/24 hour display switching Operation sound ON/OFF switching function Date display (month/day display switching) Day of the week display (switching between 6 languages: English, Spanish, French, German, Italian, and Russian) LED backlight (with full auto light, super illuminator, fade-in/fade-out, afterglow function, afterglow time switch (2 seconds/4 seconds))