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Watch Case Part Assortments

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                                              JBC Legacy Watch Parts Database

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                                              MS-JA219

                                              MS-JA219

                                              Mainspring 5-12.5-13.5 T - MS-JA219

                                              $26.63

                                              Hamilton Mainspring
                                              • Width : 1.40mm
                                              • Strength : .085mm
                                              • Length : 13.50 in.
                                              • End Type : TEE - T End
                                              • Size : 8/0S
                                              • Factory Number : 718271, 7221

                                              Specifications

                                              Historical items
                                              3938-DB
                                              Interchange items
                                              3938-DB, BC0066440, JA-219, and JA219
                                              Weight
                                              0.1 oz

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