The Casio G-Shock and F91W stand as two of the most iconic digital watches in history, renowned for their durability and engineering efficiency. The G-Shock’s rugged design emerged from engineer Kikuo Ibe’s "Triple 10" philosophy, inspired by the physics of a rubber ball to create an unbreakable timepiece capable of surviving a 10-meter drop, 10-bar water pressure, and lasting 10 years on a single battery. Meanwhile, the ubiquitous F91W remains a marvel of energy conservation, utilizing a specialized liquid crystal display (LCD) to extend its battery life well beyond its official rating.

Casio’s influence extends far beyond wristwear, with the MT-40 keyboard inadvertently revolutionizing reggae music. In 1984, a singer named Wayne Smith and keyboardist Noel Davey began playing with the rock preset after Davey got a Casio MT-40 as a gift. They brought it into the studio where their producer King Jammy slowed it down to a danceable reggae speed, adding overdubs to fill out the track for a song called "Under Mi Sleng Teng." From the massive 300-pound Model 14-A calculator to modern transposing keyboards that use complex math to shift musical pitch, Casio’s innovations have continuously bridged the gap between mechanical engineering and digital accessibility.

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