Why can the Oris logo on a crown be upside down? 28 July 2023 13:11 Updated The threads of the tube and the crown start in different positions, so the logo position on a crown or case back becomes random. Related articles How do I unscrew a screw-down crown? How can I avoid oxidation of my bronze watch? How do I adjust my metal strap? Which luminous material do you use on dials and hands? Do you use blued steel hands?