Schatz Miniature 400 Day, Round Base, 1959

I repaired this Schatz miniature 400 day clock recently, this is the round base model with a plastic dome that locks into the base. I first overhauled this clock in 2011, and it ran fine for close to 12 years. I disassembled and cleaned the movement, burnished the pivots and replaced the suspension spring. Repair job 8779.

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The movement has date code 6 59 (June 1959). It is back Horolovar back plate no. 1013A, has suspension unit 10A with a 0.0024 inch thick suspension spring (the book recommended 0.0023 inch, but I find that 0.0024 works better and have been using that thickness for at least 12 years).


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2 comments

  1. Yes, this clock has two hole jewels for the anchor pivots. The final adjustment during movement assembly is to move the rear anchor pivot hole up or down to equalize the drops, and make sure the escape wheel teeth aren’t catching on the pallets. These little (miniature) Schatz movements run extremely well, my personal one will run about 14 months on one winding.

  2. Oh, my. That’s everyone’s favorite. You have to take the escapement apart to work on anything else, and it’s a neat trick to reassemble. Is that the one with the jeweled anchor or escape wheel or whatever?

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