Tag Archives: mason

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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 it may need to be converted to the real number. If an X is at the end of the number stamped on the back plate the conversion chart is needed. If the number has no X at the end it would need to be determined who made the clock movement for M/S…. 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 is required for the swap out. The new clock movement will be the same movement have now but brand new, so all fits the same as it did. Having a Mason and Sullivan… View Product

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Above all, a Hermle Clock Movement Directory is to get to the correct page that contains the clock movement. This is an important first step when ordering a new clock movement. Thus, Hermle mechanical movements have numbers on the back plate starting with the below few numbers. Then a dash (-) follows and then some more numbers. For example: 340-020… View Product