MAINSPRING, ALLOY
For Junghans 642
260/710
Alternate: 1246/OME 1480
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Longines 240.2 | QUARTZ ANALOG W/O SEC CALD W/CORR | |
| Wittnauer 7D | 21,600 DSS OFFSET CENTER WHL SHOCK | 7.75 |
