It Wasn’t until the early 1900s that Males started to ditch their pocket watches for wristwatches. (There’s a great deal of discussion about who created the 1st Formal wristwatch for men, but for this story, let’s go with Louis Cartier, who designed the Cartier Santos-Dumont in 1904 for his pilot https://www.watchesworld.com/11-of-the-best-womens-watches/