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Watch Case Part Assortments

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                                              JBC Legacy Watch Parts Database

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                                              MS-JA209

                                              MS-JA209

                                              Mainspring 1.70-.175-540 16 - MS-JA209

                                              $30.95

                                              Hamilton Mainspring
                                              • Width : 1.70mm
                                              • Strength : .175mm
                                              • Length : 21.25 in.
                                              • End Type : DB - Double Brace
                                              • Size : 12/S
                                              • Factory Number : 718071, 1228

                                              Specifications

                                              Historical items
                                              BC0201848
                                              Interchange items
                                              BC0201848, JA-209, and JA209
                                              Weight
                                              0.1 oz

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