" At The beginning, these wristwatches were 1-off or tailor made creations That always seemed quite a bit such as the pocket watches from which they advanced. But soon, wristwatches took by themselves aesthetic, with their particular technical improvements to solve new troubles offered by wrist-borne timekeepers. In 1892 they https://www.watchesworld.com/a-history-of-watch-reference-numbers/