Surrounded by strings of peaks including the Zao and Kamuro mountains, Japan’s Yamagata Prefecture is home to the Mogami River, which is known as one of the three swiftest rivers in Japan. This rich natural setting, with its fresh, clean air and pristine water, is home to Yamagata Casio, the “mother factory” of G-SHOCK.

At this production facility, total consistency is maintained, from the manufacture of movements through the assembly of cases, dials, hands, indexes, and bands. It also manufactures movement parts, dials, and other components using its proprietary mold technology.