The answer was in the design. The Swatch name came from a contraction of two words: secondary watch. The idea was that a watch could be analogous to a necktie or other fashion accessory. No one owned just one tie, scarf, or pair of dress shoes. They typically had a rotation. Thomke and Hayek didn’t believe a watch should be any different… More here.
Good article. Terrible pop-up drive website, but good article.