Tech junkies have fantasized about a wrist-phone ever since comic book detective Dick Tracy first donned a two-way radio watch (described above) in the 1940s. In 1953, TIME reported that the U.S. Army Signal Corps had developed a wearable radio with a 40-mile range — but only in the past decade or so has the concept of a “smartwatch” really taken hold, with popular models from companies like Samsung, Motorola, and LG, mostly running versions of Android OS.
One company is notably absent from that list: Apple. Apple is rumored to be unveiling its take on a smartwatch — maybe called the “iWatch” or “iBand” — on Tuesday, in a move that would shake up an already exciting product category.
But modern smartwatches aren’t brand new inventions — many have tried to perfect the “smartwatch” over the years. Let’s take a look back on how the devices have evolved, as told by TIME:
Your move indeed, Apple. Let’s see what you’ve got up your sleeve — or on your wrist.