It Wasn’t till the early 1900s that Males began to ditch their pocket watches for wristwatches. (There’s a lot of discussion all over who manufactured the first Formal wristwatch for men, but for this story, let’s go with Louis Cartier, who built the Cartier Santos-Dumont in 1904 for his pilot https://www.watchesworld.com/11-of-the-best-womens-watches/