Casio is the Japanese household name in electronics manufacturing. Since launching the world's first compact electric calculator in 1957, Casio has produced electronic keyboards, digital cameras, clocks, and many more. Their iconic lines such as the Edifice, the G-Shock, the Oceanus, and the Sheen are testaments to Casio's renowned precision and durability. Casio products emanate the humble beginnings of modern electronics, an essence encapsulated fully in the F-91W, which is still adorned by many worldwide.