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Loop Mainspring 3/4" X .016" X 108"

Loop Mainspring 3/4" X .016" X 108"

  • 1850


MS-310 Loop End Mainspring

Often used on Seth Thomas #89 Movements (Ingraham & Sessions sometimes)

3/4" X .016" X 108"

19mm X .41mm X 2743mm X 50mm barrel

Loop End

High Quality. Made in Germany.


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