It Wasn’t until eventually the early 1900s that Guys started to ditch their pocket watches for wristwatches. (There’s loads of debate around who manufactured the primary Formal wristwatch for guys, but for this Tale, let’s go along with Louis Cartier, who created the Cartier Santos-Dumont in 1904 for his pilot https://www.watchesworld.com/11-of-the-best-womens-watches/