The latter is perhaps my favorite, fitted using a self-winding caliber and boasting a wide array of dials and different measurements suited to all wrists. Through the entire World Wars, the brand made a wide array of mil-spec pilot watches—a thing that is still greatly widespread within the IWC portfolio https://purplecolorwatch.blogspot.com/2025/06/a-legacy-of-light-swiss-watches-for.html