Hey Guys, put this in watch repair so thought I would add it to this section as well. I need a screw down crown for a Universal Geneve Space-Compax chronograph. Apparently these crowns have multiple sections and the one I have has broken though the stem is intact. If someone knows of a source for one of these or a suitable replacement, that would be terrific. Would prefer an original marked crown but at this point one that works would be acceptable. Also need a marked crystal as the one have has age cracks but is acceptable for now. Thanks in advance for any help with this.