Dating Mid-Century Modern Starburst Clock

by Pat
(Vancouver, WA USA)

Clock is a large 30" Seth Thomas starburst clock, Model Starlight E618-000.Clock has alternating 12 brass spikes with ball ends and 12 brass spikes. Clock measures 30" from tip to tip.

Movement made in Germany runs on a "C" battery. I am trying to determine date of this clock. Believe it was made in period 1960-1970?