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Watch Case Part Assortments

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                                              JBC Legacy Watch Parts Database

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                                              MS-JA735

                                              MS-JA735

                                              Mainspring 6- 9.5-13.5 Hole - MS-JA735

                                              $29.95

                                              Waltham Mainspring
                                              • Width : 1.50mm
                                              • Strength : .120mm
                                              • Length : 13.50 in.
                                              • End Type : HOLE - Hole End
                                              • Size : 6/0S
                                              • Factory Number : 2276, 2226

                                              Specifications

                                              Historical items
                                              BC0123745
                                              Interchange items
                                              BC0123745, JA-735, and JA735
                                              Weight
                                              0.1 oz

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