1957 Established Casio Computer Co., Ltd. with father and his four children of Kashio's. As symbolized by the company name "Casio Computer", when it is founded, it manufactures mechanical calculators (relay type calculator 14-A, etc.), and later releases an electronic desk calculator.
In 1983, released "G-SHOCK" 1st machine "DW-5000C" wristwatch that will not break even if it is dropped. It is synonymous with a tough and affordable wristwatch. The average sales price for Casio is HK$4,460.

• Edifice(174)
• G-SHOCK(3047)
• OCEANUS(343)
• Pro Trek(140)