Who doesn’t recall those huge unwieldy watches that used to adorn our old schoolmates’ wrists? These watches where a major hit in the days before Blackberry & iPhone came along... Well, now they’re back & they’re in style again. And just like those old watches from the eighties, this retro calculator watch displays hours, minutes & seconds, as well as the month & day of the year. It’ll also help you calculate square roots, multiply, divide, or figure out percentages... Really, what more do you need? It’s very easy to use: