Casio Digital Diary SF-4000 - Black Organiser. No Power. Spares Or Repair.

Working Casio 32KB Digital Diary SF-4100

Casio Digital Diary SF-4600B 64KB Untested Sold as Spares/For Parts

SF4600 Casio Digital Diary for Spares

Vintage Casio SF-4300BK Digital Diary Boxed With Instructions- 32KB

Vintage Casio SF-4300 Digital Diary - 32KB

Casio Digital Diary SF-4600B 64KB untested

Casio Digital Diary SF-4600B 64KB Untested Sold as Spares/For Parts