Kazuo Kashio, chairman and CEO of Casio Computer Co. who played a key role in developing the G-Shock wristwatches, died of pneumonia at a hospital in Tokyo on Monday, the company said Tuesday. He was 89.Kashio, a native of Tokyo, was the third of four brothers, who in 1957 founded the Japanese electronics maker and commercialized the world's first all-electric compact calculator.He propped up the sale of the G-Shock products after Casio launched its signature, shock-resistance watch brand in 1983, seeking to change the notion at that time that watches are "fragile and valuable" items.The G-…READ FULL ARTICLE