Vintage Chelsea Swiss Boston Square Brass Heavy Art Deco Desk Clock Grogan Co Posted on November 26, 2023 by admin Related Post Vintage Telechron Art Deco Electric Clock Brown Cord Works Vintage Elgin National Watch Company 8 Day Dashboard Clock Working Vintage Cyma Amic Wind up Alarm Clock, Swiss, Working Vintage 1930s Hammond Synchronous Alarm Clock Art Deco Mantle Night Stand 95yrs Vintage 4F67 Telechron Pyramid Bubble Glass Electric Art Deco Clock Tested/Works Chelsea made the majority of their clocks.