This watch has a carbon/stainless steel case and resin band, is water resistant up to 100 meters, and is powered by Tough Solar (solar powered). It has a Mobile Link feature that allows for wireless linking using Bluetooth, and is compatible with the CASIO WATCHES app. It has an auto time adjustment and easy watch setting feature, and can display the time in approximately 300 world time cities. It also has a stopwatch data transfer, time & place, and phone finder feature. The mineral glass is compatible with band sizes from 145 to 215 mm, and has a Neobrite feature. It also has a world time feature with 38 time zones (38 cities + coordinated universal time), a city code display, city name display, daylight saving on/off, and auto summer time (DST) switching. It has a stopwatch with a measuring capacity of 00’00”00~59’59”99 (for the first 60 minutes) and 1:00’00~23:59’59 (after 60 minutes). It also has a countdown timer with a measuring unit of 1 second and a countdown range of 60 minutes. It has a double LED light, LED light for the face, and LED backlight for the digital display. It also has a full auto-calendar up to 2099, a button operation tone on/off, an energy saving feature, and a battery level indicator. The approximate battery operating time is 7 months on rechargeable battery (operation period with normal use without exposure to light after charge) and 18 months on rechargeable battery (operation period when stored in total darkness).