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Watch Case Part Assortments

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                                              JBC Legacy Watch Parts Database

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                                              MS-JA702

                                              MS-JA702

                                              Mainspring 20-2-21 T Use Ms-Ja701 If Out - MS-JA702

                                              $29.95

                                              Waltham Mainspring
                                              • Width : 2.90mm
                                              • Strength : .220mm
                                              • Length : 21.00 in.
                                              • End Type : TEE - T End
                                              • Size : 18/S
                                              • Factory Number : 2203

                                              Specifications

                                              Historical items
                                              BC0099655
                                              Interchange items
                                              BC0099655, JA-702, and JA702
                                              Weight
                                              0.1 oz

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