400 Day Clock Parts
400 Day Anniversary Clock Parts
Replace the suspension spring on your clock if any kinks or distortion are present. Read More »
The suspension spring is the part on the back of the clock that supports the pendulum balls in the air. This is almost always the fist issue to deal with to get the clock running. This happens when someone is not familiar with the clock and they move it from here to there and the pendulum knocks around and the spring twists and kinks.

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400 Day Repair GuideThis Anniversary clock repair book is the 10th edition and is Hardcover. This is a must have book to repair anniversary clocks. Extremely useful in identifying suspension springs.
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400-Day Suspension Springs 12-PackThese are a pack of 12 suspension springs for a 400-Day clock. Furthermore, these are the springs only with no fork or blocks. So install the old blocks and fork or purchase new ones. Of course, these are the most common suspension springs which are all even thicknesses.
AN1-1: $29.00View Productlaunch
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6PC Screw Driver Set With Rotatable TopsSix piece precision screwdriver set. Comes with four sizes of the flat head and two Phillips style. Made of durable chrome molybdenum steel. The top rotates for ease of use.
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Anniversary Clock Blocks and ForkThese are the parts on the suspension spring of an Anniversary clock. Sometimes these are lost and most often it is the bottom block that is missing. Please choose either top block, fork, or bottom block from the drop down menu.
AN2: $10.00 – $29.00View Productlaunch
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Anniversary Clock Glass DomeThis is the glass cover that encloses the clock. The size options indicated are the overall width of the base and also the overall height.
AN5: $15.00 – $65.00View Productlaunch
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Anniversary Clock Repair KitThis 400 Day Repair Kit has the basic items required to clean a 400 day movement without disassembly. The goal of cleaning a clock movement is to remove old oil that has solidified and put new oil in its place.
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Anniversary Clock Suspension SpringsSingle Strength suspension springs in a three pack. These are the springs only with no fork or blocks.
AN1: $10.00 – $14.00View Productlaunch
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Brass Single-End Clock KeySingle end brass clock key to wind up a wall or mantle mechanical clock movement. See instructions on the top tabs for how to get the right size key for your clock.
CK4: $10.00View Productlaunch
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Digital Caliper Four InchA four inch caliper that has a stainless steel construction and a digital display. Metric or SAE decimal capable.
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Digital Caliper Nine InchThis caliper is nine inches long and has a stainless steel construction. It has the ability to read metric or SAE decimal even in harsh conditions. The easy-to-read digital display allows you to measure and convert from SAE to metric quickly and easily.
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Schatz Logo Clock KeyA Trademark Schatz style clock key in size 3. Size used on some Schatz lantern style clocks. Please see tab system for information on clock keys and key sizing.
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