By Bill Stoddard on May 23, 2013
I just repaired this Schatz 1000 day clock made in February 1955. This is the round model, and this one is old enough to have a glass dome (the plastic dome model have an extra piece on the base to engage the dome’s locking lugs).
I polished most of the brass pieces, and installed a new old stock dial.


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Repair job 6070. The movement is Horolovar back plate no. 1010. It uses a .0024 inch thick Horolovar suspension spring. I polished the pivots. Polishing the barrel pivots on the barrel arbor makes these clocks run better.
Last updated May 24, 2013
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By Bill Stoddard on July 27, 2012
I recently repaired this Schatz standard 400 day clock. The dial is brass with embossed numerals, painted ivory. The hands are thin stamped brass, to reduce their weight.
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Repair job 5833. Horolovar backplate no. 1279 with date of 9 52 (September 1952).
Last updated July 21, 2012
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By Bill Stoddard on July 25, 2012
This “Vienna” regulator by Junghans has an oak case 40 1/2 inches tall and 13 1/2 inches wide. The enamel dial is marked “W. Baum, Wein” on the center portion (Wein means Vienna). This must be the seller (or was added later) as the movement was made in Germany. The dial’s minute track is 6 1/8 inch in diameter.
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Repair job 5771. Cleaned (no repair) and new gut line.
Last updated July 21, 2012
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By Bill Stoddard on September 19, 2011
This German chiming wall clock was made about the 1950s or 1960s. There is no maker’s name on the dial or the movement. The back of the movement is labeled:
Western Germany
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The trapezoidal case is 19 3/4 inches tall and 12 5/8 inches wide. The dial’s minute track is 6 3/4 inches.
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Repair job 5557. I polished the pivots and installed 6 bushings. The chime mainspring broke as I was winding it in the mainspring winder. I’m glad it broke then, instead of while in the clock (which may have damaged some gear teeth). The chime mainspring is unusually long (about 70 inches) and is 25.9 mm wide and 0.015 inch thick. I couldn’t locate a replacement in my parts catalogs, so I repaired the inner end of the spring (it had broken about 5 inches from the inner end). The break was caused by the barrel arbor hook being too long, causing stress on the spring when fully wound. I shortened all 3 arbor hooks to reduce the chances of future mainspring breakage.
The amount of hammer lift is adjustable by rotating the lower right movement pillar. When first set up, the strike stalled after 7 days. The hammers lifted 7/8 inch during chiming and 1 inch duriing striking. I reduced the lift to 9/16 inch for chiming and 11/16 inch for striking.
Last updated September 20, 2011
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By Bill Stoddard on September 10, 2011
This clock dates from around 1900 – 1920. The movement was made by Kienzle in Germany. The case is 29 inches tall and 14 13/16 inches wide. The square background part of the dial has been painted black (it may have been silvered originally) and the chapter ring is a replacement. The minute hand is 3 1/2 inches long.
This clock has the typical coarser type of German movement ( as contrasted with some by Kienzle that have fine gears and pinions, very similar to the gearing in Lenzkirch movements and French movements). The back plate of the movement has the Kienzle wings trademark, and the front plate is labeled “Pat. Kienzle”
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Back of the case is marked “J. Gutmahn Dorrebach”
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The gong base is named “Hurra!”
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Back plate has the Kienzle wings trademark.
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Front plate labeled “Pat. Kienzle”
Back of the case is marked “J. Gutmahn Dorrebach”. The gong base is named “Hurra!”
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Repair job 5548.
Last updated September 5, 2011
Posted in Clock History, Clock Repair | 1 Comment »
By Bill Stoddard on September 1, 2011
This wall or “box” clock was made in Germany, but has no maker’s markings. The movement says 42/105 and 392 on the back, and 392 on the front. It has a coil gong, with the gong base labeled “Viola-Gong D.R.G.M.” The German clock companies were trying to outdo each other in the richness of sound of their clocks, and many different names and trademarks were put on the gong bases.
The case is 26 7/8 inches tall and 13 1/2 inches wide, and the dial has a 7 1/4 inch time track. The dial is silvered brass with printed numerals.
This clock was probably made in the 1920s or 1930s.
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Repair job 5521. The pendulum and pendulum leader are a modern replacement.
Last updated August 31, 2011
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By Bill Stoddard on August 31, 2011
This Kundo standard-sized 400 day clock has a nickel plated finish instead of the common plain brass. It has a wide-plate movement so I believe it was made on the early 1950s. The back plate has no name, just the Kundo logo in a circle. It uses a 0.0032 inch thick suspension spring. I didn’t do a full repair on this clock – just replaced the suspension spring. The gears are not nickel plated.
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The tag that came with the clock
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Instruction pamphlet
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Instruction addendum
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Repair job 5540.
Last updated August 31, 2011
Posted in 400 Day, Clock History | 2 Comments »