Undone?s latest is a whimsical tribute to pilot?s watches of the past that takes a different slant than many other similar watches in the genre. The new watch, dubbed the Aero, uses a locking bezel to pay tribute to a sometimes forgotten feature of early aviation watches. The watches are styled to bring to mind a specific era, but with modern sensibilities in a package that is meant to appeal to a broad audience. 
The conceit of the Aero is that in addition to the large cases, glare free finishing, or easy to read dials that were hallmarks of the earliest pilot?s watches, a rotating bezel that could be used for navigational purposes was equally important. Undone argues that while many associate the rotating bezel as an innovation in dive watches, it was actually P.V.H Weems that invented the bezel to assist pilots in flight. This type of celestial navigation was critical for early pilots as a backup to radio navigation, and required skill not just in the mechanics of flight, but in math and science as well. 
The crown at 2:00 locks the rotating bezel in place

The Aero comes in two variants that they are calling the Scientific and the Commando. The Scientific features a cream dial, syringe hands, and Arabic numerals at 12, 3, 6, and 9. Concentric circles on the dial create tracks for the seconds, minutes, and hours, with each hand lining up precisely to read the appropriate track. 
The Commando takes inspiration from both classic field watches and notable aviat...