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Schatz 1000 Day Clock

By on February 18, 2009

In 1954, Schatz introduced their 1000 Day Clock. The 1000 day clock is based on Schatz’s miniature 400 day clock movement (see Why 400 Day Clocks Run So Long). A larger mainspring, with about 2.5 times the amount of energy storage, is used, but the gears and escapement are similar. The pendulum makes 10 rotations per minute.

Here are videos of the 1000 day clock in operation, and a closeup view of the escapement:

Here are some photos of the 1000 day clock:

This clock is dated 8-57 (August 1957) on the movement and is part of my clock collection.

The 1000 day clock uses a 0.0024 inch thick Horolovar suspension spring, or complete suspension unit number 10B. See this post for information on ordering suspension springs or units.

Related posts:

  1. Schatz 400 Day Clock and 1000 Day Clock Suspension Units
  2. Schatz 400 Day Clock Repaired for the Schatz Family
  3. 400 Day Clock Suspension Spring Sizes
  4. Schatz Standard 400 Day Clock Dated November 1952
  5. Schatz Standard 400 Day Clock with Black and White Dial

5 Responses to “Schatz 1000 Day Clock”

  1. comment number 1 by: A 1954 Schatz 1000 Day Clock

    [...] style with straight legs. Around mid-1955, Schatz changed the plate design to have curved legs (see this article for a view of the curved leg [...]

  2. comment number 2 by: John D

    Greetings,
    I have been trying to increase the ball speed of my 1000 day clock, 1954. I have replaced the spring (.0024) and have the clock running but it only travels 5 balls per minute instead of 10. Running the speed adjusment nut to the fast direction doesn’t help any.
    Looking forward for your suggestion.
    Thank You,
    John D.

  3. comment number 3 by: Bill

    I can’t see any reason why it would be going half as fast as normal. It should make 10 half oscillations per minute. How much time is it losing?

  4. comment number 4 by: John D

    Hi Bill,
    Sorry for not getting back to you sooner.
    This is what’s going on:
    For every 5 minutes on the Schatz it takes 10 minutes real time.
    Is it possible that maybe it needs another gear?
    John D

  5. comment number 5 by: Bill

    It may have a suspension wire that is WAY too thin.

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