Mark020
··not the sharpest pencil in the ΩF drawerVery intruiging Aero Compax on insta: https://www.instagram.com/p/CWIa_1orfeC/?utm_source=ig_web_copy_link Reference 22414 and serial 798k. I've asked whether the bridge is marked UG or Siegerin. Not much to be found on this connection but for this one (which unfortunately has no pictures any more): https://www.watchuseek.com/threads/siegerin-with-ug-285.1042276/