Standard time radio waves are received by a tiny built-in antenna in Japan (Fukushima and Kyushu transmission stations), the United States, the UK, Germany and China, and the time is corrected automatically.
Casio's proprietary solar-charging system converts light to ample power to operate multiple power-hungry functions.
This system detects and confirms the positioning of the hands once an hour. In the rare event that a hand has slipped out of place, the system returns it to the precisely correct position automatically.
This technology precisely calculates the strength of the parts materials and design details. The result is a movement structure with extremely high shock resistance.