German, Socol Montag and Co., C.1930, 400-day, 4-ball rotary pendulum, torsion timepiece under a dome, Louvre model. Horolovar's 400-day repair guide examples are shown as "Sokol Montag and Co." The spelling may have changed for the English market.
Socol Montag and Co
Shelf or Mantel Anniversary
Germany
October 30, 2010
