It Wasn’t until eventually the early 1900s that Guys began to ditch their pocket watches for wristwatches. (There’s plenty of debate about who manufactured the primary official wristwatch for guys, but for this story, let’s go with Louis Cartier, who designed the Cartier Santos-Dumont in 1904 for his pilot Pal, https://www.watchesworld.com/11-of-the-best-womens-watches/