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                                              JBC Legacy Watch Parts Database

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                                              MS-JA731

                                              MS-JA731

                                              Mainspring 8X9X15 Hole - MS-JA731

                                              $26.43

                                              Low stock: 3 units left in stock

                                              Waltham Mainspring
                                              • Width : 1.70mm
                                              • Strength : .130mm
                                              • Length : 15.00 in.
                                              • End Type : HOLE - Hole End
                                              • Size : 0-3/S
                                              • Factory Number : 2228

                                              Specifications

                                              Historical items
                                              4960-TR
                                              Interchange items
                                              4960-TR, BC0236836, JA-731, and JA731
                                              Weight
                                              0.1 oz

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