MAINSPRING, GENUINE
For Seiko 4N21-1140
260/501
Alternate: 263/AS 1178
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Seiko 1F21-0E90 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 7N43-9A40 | ANALOG QUARTZ |
