It Wasn’t until eventually the early 1900s that men began to ditch their pocket watches for wristwatches. (There’s a great deal of discussion about who produced the first Formal wristwatch for men, but for this story, Permit’s select Louis Cartier, who built the Cartier Santos-Dumont in 1904 for his pilot https://www.watchesworld.com/11-of-the-best-womens-watches/