The digital watch, invented by Seiko in the 1970s, revolutionized the way people tell time and made watches more convenient and accurate.

Karate, another martial art that originated in Japan, has also become a popular sport and is practiced by millions of people around the world.

The Miyajima Island in Hiroshima is famous for its giant torii gate that appears to float on the water at high tide, and is considered one of Japan's most scenic spots.