Contributed by Stephen Coles
Source: https://www.etsy.com. License: All Rights Reserved. 
“The Compagnie Industrielle de Mecanique Horlogere registered the name Jaz as a trademark in 1919 and used this until 1941 when a bird figure was added above the name. The clock dates somewhere between 1960 and 1965 as the little trademark bird is present with his tail pointing upwards.” — maintenant
