CASIO BACK TO THE FUTURE CA-500WEBF-1AJR Brand new, unopened. CASIO CASIO CLASSIC Back to the Future Collaboration Model CA-500WEBF-1AJR To prevent swapping, cancellations and returns are not accepted. BTTF Back to the Future Casio Case size (H x W x D) 43.2 × 34.4 × 8.2 mm Weight 53 g Case / bezel material Resin Band Metal band (stainless steel) Free-type clasp Water resistance Water resistant for daily use Power supply and battery life Battery life: Approximately 5 years