It's actually quite "daring" fitting so many functions into such a small space. There are however, two features which I don't quite understand. The red ring is marked 15 to 180 deg. Do you know what this is for? (180 deg is half a circle but it's clearly
These were all tool watches. The Jardur was built as a navigation device for the American Bomber squads like the 100th . If you search Jardur on this site I have a write up on its development and deployment. You are not just getting a vintage watch, you a
The Warner Plotter: Origins, Development, and WWII Aviation Use Historical Background and Origins of the Warner Plotter During the 1930s, as aviation expanded and navigational training became more sophisticated, a variety of manual tools were developed to
It really has so much charm to it and the red highlights really add to the look but I think my favourite bit of the dial is the 3,6 and nine being in the subdials rather than cutoff. I don't recall ever seeing that on a chronograph before, wear and enjoy