・ CASIO Casiotron, a vintage wristwatch. ・ It's a digital watch with an auto-calendar. ・ It's a vintage item from about 40 years ago, and a well-preserved one like this is rare. ・ How about adding it to your collection? ・ When packing, to make it flat, I will remove one side of the band and attach the screws to the watch, as shown in the last photo.