Wittnauer Professional Chronograph Accessory adding new features to a

adding new features to a watch was a feat of engineering - a marvel in its own right

they couldn’t have

Reference 7150-1

the rise of mass production meant that there were watchmaking brands scattered across the Continent

working to develop highly accurate navigation chronometers for many of the era's great aviation pioneers

Wittnauer Professional Chronograph Accessory adding new features to aBefore the Digital Age, the passage of time was recorded manually, marked by the stately sweep of a chronograph hand. A chronograph became an essential piece of kit for everyone whose life revolved around accurate timekeeping. From aviators and astronauts to soldiers, sailors, and race car driversall strapped chronographs to their wrists. Its uncertain when manufactures began applying the professional appellation to their watches. However, its