Casio Digital Diary SF-7100SY Plus~1MB~ PC SYNC

Vintage 1980s Casio Digital Diary SF-4000 Working With New Batteries

Casio Digital Diary SF-7000 Electronic 32K Bytes memory with Owner’s manual

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

Vintage Casio SF-8350R Digital Diary 64KB & Sharp EL-531VH Scientific Calculator

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

Casio SF-8000 Digital Diary 64KB - Untested

Casio Digital Diary SF-7000 Electronic 32K Bytes Memory - NOS - New Batteries