New, unused. This is a collaboration model between CASIO CLASSIC and the masterpiece film "Back to the Future," which celebrates its 40th anniversary in 2025. The base model is the CALCULATOR model CA-500. The face features a DeLorean motif, a symbol of the film, vividly expressing the world of the movie. The back cover is engraved with the "Flux Capacitor," the device essential for time travel in the film. The clasp is adorned with the "Back to the Future" logo, showcasing attention to detail. CASIO CLASSIC × BACK TO THE FUTURE Collaboration Model (2025 Release) This model is a collaboration between CASIO CLASSIC and the legendary film “Back to the Future,” which celebrates its 40th anniversary in 2025. The base model is the CA-500 Calculator Watch, featuring a face design inspired by the iconic DeLorean, vividly expressing the spirit and world of the movie. On the case back, you’ll find an engraving of the Flux Capacitor, the key device that enables time travel in the film, while the clasp is adorned with the Back to the Future logo — showcasing CASIO’s attention to detail throughout the design.