It Wasn’t right up until the early 1900s that Gentlemen started to ditch their pocket watches for wristwatches. (There’s lots of discussion all over who produced the initial official wristwatch for men, but for this story, Permit’s select Louis Cartier, who designed the Cartier Santos-Dumont in 1904 for his pilot https://www.watchesworld.com/11-of-the-best-womens-watches/