Casio is named after its founder Kashio Tadao, a Japanese inventor who moved to Tokyo in 1946 to start Casio. Especially because of the electronic calculators Casio becomes a very famous brand. Until the 70s where they begin with digital watches

1978 began Casio the first digital watches to sell. where the time could be read on an LCD screen instead of an old-fashioned pointer, the brand grew enormously in popularity. In 1983 the G-shock was introduced. To this day, the most famous and iconic watch from Casio.