Vintage Chelsea Swiss Boston Square Brass Heavy Art Deco Desk Clock Grogan Co Posted on November 26, 2023 by admin Related Post Vintage Art Deco Gilbert 8 Day Alarm Clock. Working, Accurate Time 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 Chelsea made the majority of their clocks.