Is this a legit Casio? Model 91W (no "F"), manual is for Module 3191. : r/ casio
User manual Casio F-91WM-9AEF (English - 1 pages)
Manual de usuario Casio F91W (Español - 2 páginas)
Review Casio F-91W manual for use - YouTube
Got hyped with this new old acquisition. F91W. For manual work primarily. I couldn't remember the feeling. Thought it would be a waste but it is looking suprisingly nice. I also forgot
F91W Casio שעון יד דיגיטלי מדריך הפעלה
How to turn On and Off the Alarm on a Casio F91W | How to Set Alarm on a Casio F-91w - YouTube
User manual Casio G-Shock GW-9110-1ER (English - 8 pages)