JEWEL, LOWER BALANCE HOLE
For Seiko 5P31-7A00
301/1006
Discontinued: Yes, use 1785/WAL
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Leonidas 121 | STOP WATCH TIMER | 18 |
| Standard 171A | USE STANDARD 171 | 12.5 |
