Excellent working condition with new batteries. Current language is German and I do not know how to change it. So you may want to buy an online manual
Casio Digital Diary SF 3300A
CASIO DIGITAL DIARY SF-4300B
Old Organizers Collection - Casio SF-4300B
Casio Digital Diary SF-4100 32KB Memory With Box and Manuals
Casio Computers
casio calculator in South Australia
Also a calendar and notebook. Casio SF-4300R (LX-546) Oct 1994. World ClockYes.
Casio 32KB Digital Diary SF-4300A Collectible 1994
Old Organizers Collection - Casio SF-4300B
CASIO 32KB DIGITAL Diary SF-4300 BE Calculator Electronic
Casio+Secret+Sender+6000+Electronic+Communicator+Organizer+
Old Organizers Collection - Casio SF-4300B
Agenda Eletrônica Casio 32kb Digital Diary Sf-4300b
Vintage Casio 32KB Digital Diary SF-4300A Collectible Working
Casio Digital Diary SF-4300A - Calculator - Computing History