It goes in a circle around the center arbor of the balance wheel. The old style is one with a round spring that goes up and down (Vertical). By this time the Urgos units were out of production. Around this time there was a switch to the new style on the Hermle units. Use of the old style was all through the 70’s and 80’s and 90’s. Out of these, two styles, the old style and then the new style. These notes are only for the larger balance wheel in the top center of the clock movement.įor example, movements in the Urgos 6/ series and many of the Hermle clock movements. The platform escapement can be read about in another section. This section is for those balance units that do not have a platform escapement. There are three types of clock balance movement styles post 1950. If questions please email us.īalance Clock Movement Timing is done fairly easy. To order a new movement, match up the numbers on the Seth Thomas page. It is not possible to restore a clock movement so it is better than new. The clock will be running right away instead of months later. To get a new movement means the cost is a fraction of the price of an overhaul. This also means have a good chance of getting a new movement from Clockworks. In short, the date of the movement is between 19, and it was made in Germany. This design on the Seth Thomas movement indicates some interesting things. The picture displays the small bumps, or pits, in the movement plates. Modern Seth Thomas Movement Identification It also means that it is not available new, and made before 1950. They may also have a few numbers on it such as 89 or 124. Additionally, the movement will say made in USA. It will have ST with a circle around it for a logo. The antique Seth Thomas clock movements never had this design pattern on them. The easiest way is if there are no pits in the movement plates. There are a few ways to tell if the ST is an antique. Clockworks offers these types of movements. Hermle clock movements are German made and of the highest quality. The use of German units such as Hermle, as well as movements that operate by battery, also began post WW2 by Seth Thomas. The Antique Seth Thomas were in production during and long before WW2. The outcome of these takeovers are three types of Seth Thomas clock movements. In the endįor the most part, the name Seth Thomas did not stay with one company very long after the war. Instead the use of Hermle clock movements began. After the war era, they did not make anymore clock movements. Of course, the craftsmanship was astounding. They were known for making their own movements and clock cases. ST clock movements have specific markings that identify them. Seth Thomas movement identification is a fairly easy process.
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