Which retail company completely halted watch production during WWII to manufacture military equipment, and later used this wartime innovation to create their most iconic post-war consumer product line?

During major conflicts throughout history, retail companies have often shifted their production capabilities to support military efforts. These pivots not only helped war efforts but sometimes led to significant post-war product innovations. Test your knowledge about how civilian retail brands contributed to military history through manufacturing adaptations and innovations that later influenced consumer products.

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Timex (created the affordable V-conic watch movement based on military fuse timers)
Zippo (adapted their windproof lighter design based on military flamethrower technology)
Hamilton Watch Company (applied military precision timing technology to create the first electric watch)
Victorinox (incorporated parachute cord technology into multi-tool pocket knives)