Clockworks offers the movement brand new with the new style balance for less than the cost of a cleaning. If this is the situation it is just best to replace the unit with the new one. If the old style balance then the clock movement has some age to it. For this reason it has been improved upon during future manufacturing. However it’s not that easy on the customer end with this style balance. The factory has special devices to make it perfect. However this style is not always easy to regulate and can be very hard to get it perfect. To speed up time go towards the plus sign. In this style there is a slide arm with a tiny weight on the balance wheel itself. 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. For example, movements in the Urgos 6/ series and many of the Hermle clock movements. These notes are only for the larger balance wheel in the top center of the clock movement. 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. Balance Clock Movement Timing is done fairly easy.
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