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Bulova 1975 Clock

2/10 votes
Model ID rating explained.
3

Manufacture Year: 

1975

Movement Model: 

E4N08

Movement Serial No.: 

-

Case Serial No.: 

NA

Case shape: 

Other

Additional Information

This appears to be a plastic cased, one jewel, transistor switched, magnetic repulsion Balance Wheel Impulse Motor made by/for Bulova France under license from ATO.  The body of the wall clock is a K&G Lunéville France faïence plate.  It’s noteworthy that the K&G mark on the back of the plate was only used from 1880 to 1922, whereas, the transistor was invented in 1947.  

Add a Watch required me to put a Manufacture Year so I picked 1965.  What I know is that transistors were invented in 1947 and the ubiquitous quartz movements became popular around 1980.

Not For Sale
ATO Licensed Bulova France K & G Luneville wall clock
1975 Bulova watch
1975 Bulova watch
1975 Bulova watch
1975 Bulova watch
Wynot
Posted December 17, 2017 - 2:52am

BTW, this runs on one C cell battery.

Geoff Baker
Club 5000Panel Member
Posted December 19, 2017 - 4:42pm

Not sure how to classify this one, I'm not sure it predates 1980.

Wynot
Posted December 19, 2017 - 7:19pm

This is what I found on ATO.

http://www.chronometrophilia.ch/Electric-clocks/ATOtextenglish.htm

  Excerpt: The Hatot Company was among the first to embody in their instruments important improvements made possible by the application of transistors in horology (Fig 14 and Fig 15). Their first patents were filed on 16th September 1953, but the Hatot Company did not have sufficient funds to exploit their numerous patents worldwide, so they granted licences to several of the principal horological producers in the industrialised countries which is why there exist throughout the world millions of watches and clocks signed L. Leroy & Cie., Ebauches S.A., Junghans (Fig. 8), Westclox, Smith & Son, Bulova, Jaz et General Time, all carrying the words "Lic. ATO".
Wynot
Posted December 22, 2017 - 4:55pm

With the help of Marga at infofaience.com, this was found.  The example found here was licensed to JAZ and is listed as a pendulum movement.  It was apparently available in their catalog from 1975 to 1976.  

https://jazlebontemps.com/category/pendule-murale/page/58/

mybulova_admin
Club 5000Panel Member
Posted December 22, 2017 - 9:05pm

Happy to include it under the generic 'clock' model category.

Additional photos of the movement without the cover would be great.

Wynot
Posted December 23, 2017 - 12:29am

mybulova_admin
Club 5000Panel Member
Posted December 23, 2017 - 9:29pm

So an electro magnet movement.

I wonder if 'O8' is a date code for clocks?

Wynot
Posted December 24, 2017 - 10:49am

Maybe N 08?