More "Pilots" than "Military" but when you see what they were sold amongst... anyway, who would have thought? If you ask me, a bit hard to read, aren't they?

The early digital wristwatches of the 1920s and 1930s would typically have two to three apertures indicating the hour, minutes and in some cases seconds. The design has been described as a more austere timepiece that was fitting with the Great Depression....

... During the 1930s, these watches became more popular, often featured in ads emphasizing the tough nature of the watch. Some other manufacturers even went as far as describing these fashionable watches as “an armored watch” being strong enough that “a car could drive over it. For a period, they were advertised for (LINK) aviators in the United Kingdom.

(from the PP article)
Click here and follow for 3 pages. (Some interesting stuff and watches)


If you want to see the movement, etc:

More pics below...