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Anniversary Clock Parts

Here you will find parts to replace your 400 day anniversary clock parts such as suspension springs. The suspension spring is the part on the back of the clock that supports the pendulum balls in the air. These get kinked or distorted and the clock will not run any longer. This happens when someone is not familiar with the clock and they move it from here to there with the pendulum getting knocked around and the spring gets twisted and kinked.



Single Strengths in a three pack, springs only

Available in all inch sizes between .0018 and .0040

Specify size with the drop down list below. To determine the size, measure the existing spring that is to be replaced, or try the repair guide on this page to see if your anniversary clock part is listed.

1-3packs $10
4-6packs $9
12plus packs $7

Item #AN1

Blocks and Forks

Choose between top block, fork or bottom block

Be sure not to bend the suspension spring when installing any of this hardware

Suspension springs bend very easily and the clock cannot run if it gets bent.


Item #AN2

Schatz Key

Anniversary Clock Parts

Long brass key #3 size

Fits most Schatz Lantern style 400 day clocks.

If the clock is not made by Schatz, then see the other keys below or go to the clock key page.

This key is longer than the norm to reach into the case of a lantern style 400 day or 1000 day Schatz clock.



400 Day Repair Guide

10th edition Hardcover

9x10 with 237pgs

Identifications, Repair tips, and Troubleshooting. It also includes an extensive collection of back plate and suspension illustrations which aid clock identification and the selection of replacement parts


Item #AN4

Clock Domes

3in W x 4 1/2in H  $12

4in W x 7in H $19

4 5/8in W x 8in H $29

5 1/2in W x 9in H +plus $39

Select the size with the drop down menu below

Item #AN5

Brass Clock Key

To get a key for your clock, first measure the shaft that the key is to go over.

Then use the chart on the key page to convert your measurement to the key size number. You will also see these keys available there also.


Item #AN6

Let Down Tool

Handle and chuck to go over existing key

This tool must be used to let down the power of the mainspring before the plates are separated or damage will occur.

See our clock help pages for more Anniversary Clock Parts tips.



Hand Remover Tool

Removes hands and gears in a straight upward motion to prevent damage.


Item #AN8


Available in readings of 0-25
Use this to determine the thickness of suspension springs and mainsprings


Item #AN9

Wooden Bench Key

Used to release the power in a wound up Anniversary Clock Parts mainspring.This will go over your existing key and let you release the power in a safe manner. It is really a ring tool, but it works well as a mainspring tool.


Item #AN10

Oiler with Oil

Fountain oiler filled with general clock oil. Convenient applicator to get into tough areas. This is the oil you need to lubricate your clock.

Item #AN11-- $12

5pc Tweezers

Stainless steel tweezers set of five various styles.


Item #AN12


Keeps the movement up and stable during an overhaul. Just tighten one post on each corner to work on the clock movement as its in the air. Set of 4 posts 3 3/4" long. Includes a hanging bracket to hang the movement for testing

Item #AN13-- $39.


Set of 12 needle files for various uses in clock repair. There are many assorted shapes.

Item #AN14-- $13

5 Prong
Clock Keys

These two 5 prong clock keys will wind almost all wall or mantle clocks.

Item #AN15


Set of nine precision screwdrivers set in a wooden Box. Assorted sizes for small screws.

Item #AN16-- $15


Good for cleaning pivot holes, can be sharpened to a fine point to get in the Smallest holes. Comes as a bundle.

Item #AN17-- $4

Pin Vise

Set of 4 with capacities from .0mm to 4.65mm. Good to use on broaches when reaming out a pivot hole diameter. Grabs hold of a post of some sort so you can work with it basically. Small part of the pinvise is knurled so it can be easily rotated.

Item #AN18-- $10


Flips up and provides 2 1/2x power, can be worn with eyeglasses. Very useful magnification.

Item #AN19-- $20

Reaching Tool

Perfect tool for assembling clock movements and trying to reach hard to reach pivots and arbors. Use this tool to arrange wheels in a disassembled movement that is going together.

Item #AN20-- $10


After letting the power out of the mainspring and disassembling the clock movement, the pivots are cleaned with this wood. Just insert the pivot into the end of the pithwood and turn it a bit to clean. As explained earlier, the pivots are the skinny end of the arbor. These pivots must be clean of old oil that has turned into goo over the years.

Item #AN21-- $5

Tapered Pin

100 Brass tapered pins with various diameters. These have many uses in clock repair. They attach some dials, movement plates, suspensions and sometimes hands on the clock.

Item #AN22 - $14

Have a Anniversary Clock Parts Question? Send us an E-Mail
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