JEWEL, L/SWEEP SECOND PINION
For Seiko 4720-3040
240/290
Alternate: 242/ETA 2372
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Universal Geneve 139 | AUTOMATIC-FOR SW. SEC.-SEE UNIVERSAL 139 SW. SEC. | 12.5 |
