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Overall, the Seth Thomas Historical Timeline is a great way to familiarize yourself with background information that may pertain to your clock. The Seth Thomas factory made countless clock movements during and prior to the second world war. Of course, the high quality standard made the company a great success. Furthermore, after the war they did not make any movements…. View Product

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Repair a broken German Seth-Thomas Clock by replacing the movement with a new one. Seth-Thomas went out of the clock business about 40 years ago. So having a movement with the Seth Thomas name on it means the lifespan is over for that movement. The average life expectancy of a clock movement is 25 years. The Seth Thomas from WW2… View Product

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The American replica clock movement’s on this page were made on the basis of the most common American units. There was a mass production of these units during the 30s and 40s. Therefore they have a good chance of being a replacement for the worn out movement. By “time strike” units this means the clock tells time and also strikes…. View Product

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Sometimes an American clock movement made 80 to 100 years ago is just too worn out. Replacing an American clock movement is the best option. We offer these units as replacements for when the old unit is worn beyond reason. It will make a clock that has not run in a very long time work as it did before. The… View Product

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Between 1900 and 1945 the Americans made many clock movements with the same theme in common. The most common USA clock movements made during this era were the time and strike 8 day units. Movements for this popular style are no longer made in the USA. India was able to come up with a replica movement. Once on the market… View Product

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Antique clock movement replacement ordering is done by matching up certain measurements. The new movement will fit when the pendulum length, winding arbor spacing, and hand shaft length all match the antique. These clock movements measure the same as the ones that were in mass production in the USA from around 1900 to 1945. They are a nice replacement for… View Product

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If the movement says Mason and Sullivan it does not mean it has a Mason-Sullivan movement number. Often the use of their own numbering system was on the clock movements. This was done in the later years of the Mason and Sullivan company history. Generally speaking, it is best to match up the ID numbers on the clock movement identification… View Product

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Ordering a Mason-Sullivan Clock Movement is easy but you may need to convert it to the real number. If an X is at the end of the number that is on the back plate, yoju will need to use the conversion chart. If the number has no X at the end, you will need to determine who made the clock… View Product

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Replacing a Mason-Sullivan Clock Movement only requires the most basic tools. A pair of needle nose pliers and both styles of screw drivers is usually all that you need for the swap out. The new clock movement will be the same movement you have now but brand new. So everything will fit the same as it did. Having a Mason… View Product

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The following are the various options for Mechanical clock-kit movements to utilize in building a clock. We offer complete kits at Clockworks, however we can’t include them all as it would be overwhelming. It may be possible to alter any aspect in the clock kits that are available. Please call to let us help with kit modifications or for general… View Product

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Mechanical clock kit measurements that is needed in order to purchase a new kit are very basic. Of course the most ideal is to purchase the clock kit before building the clock case as described in another section. If the case is already built or working with a empty clock case, these are the things to measure. Clockworks.com tends to… View Product

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It is important to order the clock kit before building the clock case. It’s possible the kit will not fit if the case is built before getting the mechanical clock kit. Although it may seem counterintuitive, it is more common than you might think. To put a lot of effort into building a luxury case only to realize that the… View Product