I would like to especially acknowledge the https://www.rlxwx.co.uk/Collection/datejust/ work of the various individuals who created the animations in this article and made them available on Wikipedia. I am also indebted very much to the many watchmakers and horologists who have patiently explained their work to me over https://www.iwcx.co.uk the years. To the extent this article is correct, it is thanks to them; https://www.brwx.co.uk/Collection/superocean/ any errors are mine alone.