ZENON 31 Day Wall Clock

Discussion in 'Your Newest Clock Acquisition' started by Armando Alcaraz, Jun 2, 2019.

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  1. Armando Alcaraz

    Armando Alcaraz Registered User

    Sep 4, 2018
    Country Flag:
    Greetings to all! Today I found a ZENON 31 day wall clock at a Thrift Store in New Jersey. The vendor did not know much about it only that it was stamped Made In Korea on the wooden case and movement. It will run for about 15 minutes then stops. I took a quick peek at the movement and it has an odd wheel where the propeller should go and when the hour and half hour get ready to chime it will wind up and release the escape wheel. The wheel has either lead or a heavy metal that has what appear to be two cracks in it. Not sure what to make of it.
    Any help with this would be great.

    Kind regards,

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  2. roughbarked

    roughbarked Registered User

    Dec 2, 2016
    Western NSW or just this side of the black stump.
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    It is Korean. Made in the 70's/80's. I think you will find that the flywheel is rubber. These came in several versions. the early models were ticking time bombs. Later models had either bent up edges on the plates or a split plate with the mainsprings under the second plate.
  3. gleber

    gleber Registered User

    Jun 15, 2015
    Underwater Robotics Expert
    Downingtown, Pennsylvania USA
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    The typical fly fan regulates the strike train to keep it at a reasonable and constant speed.

    In this version, the centrifugal force spreads the split parts against the surrounding drum and it acts like a governing brake to keep the speed constant.


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