JEWEL, LOWER REDUCTION GEAR
For Seiko 4N20-015A
6B/BUL 1140.12
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Felsa 368 | 11.5 | |
| Felsa 368 | 11.5 | |
| Seiko 1600-5230 | SEIKO CASE REFERENCE | |
| Seiko V320-5030 | PULSAR CASE REFERENCE |
