Waltham A-17 Military Issue Pilot Watch 1950’s MIL-W-6433 32mm

Waltham A-17 Military Issue Pilot Watch 1950’s MIL-W-6433 32mm This was was desinged as a navigation tool for the pilot. I see now why a pilot must have perfect vision. They need to to be able to read the 24 hours inner track of the watch while flying super fast.