---------------------------------------------------------------------- [Precautions for Use of Electrical Appliances] 】 When using electrical appliances, please note that the voltage is different from that of Japan, which can cause malfunction. The plug type is Japanese type (A or B type), so please check the voltage and use a transformer. The transformer is different from the conversion adapter. A transformer is not required for USB power supply. ---------------------------------------------------------------------- [10 ATM water resistant] [Radio wave reception function] Receives standard radio waves from 6 stations around the world (2 stations in Japan, China, America, UK, Germany) and automatically adjusts the time. [Mobile link function] You can easily and intuitively set the world time from approximately 300 cities, and it can automatically respond to changes in time zones and daylight saving time. Comfortably supports people traveling around the world on overseas trips and business trips. In addition, it is possible to check the battery level of the watch and correct the hand position using a smartphone, and the condition of the watch can be managed using digital technology linked to the smartphone. [Other product specifications] Tough solar / automatic needle position correction function / world time / stopwatch / indicator / power saving / date and day of the week display / fully automatic calendar