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Watch Case Part Assortments

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                                              JBC Legacy Watch Parts Database

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                                              Sold Out

                                              CML143.1

                                              Mainspring - CML143.1

                                              Sold Out

                                              This page is for information only. We can no longer supply this item. If we have a recommended replacement item, it will be provided in the product description.

                                              MAINSPRING

                                              Specifications

                                              Historical items
                                              77.294
                                              Interchange items
                                              77.294
                                              Weight
                                              1.0 oz

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