Watch by Casio, Gold-tone stainless steel, Digital movement, Stopwatch and backlight functions, Day and date detail, Four function buttons, Expanding strap fastening. Founded in Tokyo, Japanese brand Casio offer a collection of watches that spans both retro and contemporary styles. Known for their innovative features, such as calculator functions, Casio watches adopt a bold use of color to bring a modern edge to their collections of digital and analogue watches.