Kern Standard 400 Day Clock with Zodiac Dial

Here is an interesting Kern 400 day clock with the signs of the Zodiac around the center of the dial. I overhauled the movement, replaced the suspension spring, and polished and lacquered the base and pillars. I don’t receive as many Kern 400 day clocks for repair as Schatz and Kundo clocks. I’m guessing this clock was made in the mid-1950s.

IMG_0936 IMG_0934 IMG_0931See more photos.

Repair job 6485. Horolovar back plate no. 1405A. I polished the pivots, installed a new suspension spring (unit 11A with 0.0036 inch thick Horolovar suspension spring). I installed a new 18 x 38 mainspring.


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4 comments

  1. Hello Bill,
    I bought a Kern clock with the Zodiac Dial like the one described in your post. When I received the clock I discovered that the suspension spring is torn above the bottom block and twisted like the one you described in another post! Unfortunately I do not have the Horolovar book to determine the type of suspension spring and mainspring I need. Please confirm that the types you mentioned in your post are ok for this clock.
    Many thanks,
    Adrian

  2. There is a steel square on the back that the key fits on. Wind the key counterclockwise (as you face the back of the clock). To start the clock, you level it so that the pendulum is in the center of the cup in the base. Then turn the pendulum 1/2 turn and release it to start the clock.

  3. Hello Bill,
    I enjoyed your website and blog. I have a Kern clock just like the one in your photos with the Zodiac around the face. We have had it in my family since I was a child. Its very pretty.

    I’m unsure if it still runs. Is there a key for these usually that is required to start it?

    thank you,
    marlene

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