Casio is a Japanese electronics company that was founded in 1946. It has become one of the largest and most innovative watch brands in the world, producing a wide range of timepieces for both casual and professional use. Casio is known for its high-quality and affordable watches, which feature advanced technology such as digital displays, water resistance, and stopwatch functions. Some of the most popular collections from Casio include the G-Shock, Baby-G, and Pro Trek series, which are designed for sports and outdoor activities. The brand is also well-known for its innovative smartwatches, which offer fitness tracking and other features. Casio continues to push the boundaries of what is possible in watch technology, making it a trusted brand for millions of people around the world.