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
Casio Orologio Digitale Uomo con Cinturino in Resina F-91W-1YER : Casio: Amazon.it: Moda
Hacking the terrorist timepiece - Interaction Magic
Manuale operativo dell'orologio da polso digitale Casio F91W