Casio is a Japanese electronics company known mainly for the production of watches, calculators, digital cameras, musical instruments and electronic entertainment devices. Founded in 1946 by Kashio brothers - Tadao and Toshio, the brand quickly gained popularity thanks to its innovative products and advanced technology. One of Casio's most famous products are their watches, including the legendary G-Shock models, known for their durability and functionality, and the classic Casio Classic series watches, which have gained popularity due to their simplicity and reliability. Casio is also appreciated by musicians for its musical instruments such as keyboards, synthesizers and digital pianos. The brand also offers a wide selection of calculators, digital cameras and other electronic devices that are valued for their quality, functionality and availability.