UMF Ruhla rare german watch from 50's for $121 for sale from a Private Seller on Chrono24
Review: UMF Ruhla Autokinetic | Watchthusiast - The Watch News
History of the Ruhla brand: The first watch to be mass-produced and the first German watch in space. 124 years in 24 images. | by Grigory Zabelin | Medium