Eterna from 1940 - the Valjoux 22 is the loudest ticker I've ever heard! Being just slightly interested in design, I cannot help to love this look - completely round case, functional lugs and fantastic numerals round off a text book modernist look.
Mikrolisk lists the Clebar Watch Co. It also lists an agency for this Swiss brand in New York City. In Canada, the Clebar name was registered to Norle in Montreal.