Introduced 60 years ago next month, the Accutron substituted a 360 hertz tuning fork for the balance wheel…
https://www.dropbox.com/s/q53y26cn065ndwq/BulovaAccutron.zip?dl=0
CREDIT: Bulova.com
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Nice one doubledad! 
I only recently acquired a Bullova marine Star for my collection. Bullova was the hallmark of a class watch back when I was a kid. Excellent face mate. Cheers, Doons
Thanks, Doons, it really is a classic!