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

The electric toilet seat, which can be heated and has various cleaning and drying functions, has become a popular feature in Japanese households.

The Kamakura period, which lasted from the 12th to the 14th century, was a time of political upheaval and marked the rise of the shogunate.