" Initially, These wristwatches were being 1-off or custom creations That usually seemed a good deal like the pocket watches from which they progressed. But quickly, wristwatches took by themselves aesthetic, with their unique technological improvements to resolve new problems offered by wrist-borne timekeepers. Weiss Watches was founded in 2013 https://www.watchesworld.com/a-history-of-watch-reference-numbers/