That Casio calculator watch is still sold—I saw one in Walmart yesterday. I was also admiring a digital Timex Ironman watch that had an "OCCASNS" function, including customizable calendar and time-of-day alerts, which I had never seen before on those watches. It only took me a minute or two to figure out how it worked, even with a segmented LCD and odd contractions to fit the words on the screen.

(I settled on a classic analogue Timex with a leather strap. Can't beat them, really.)