MAINSPRING, 21/0
For Seiko 7433-5080
X/4305
Alternate: 8820/HEU 901
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Seiko V782-6D00 | SEIKO CASE 971129 | |
| Citizen 21-6526 | CITIZE CASE REFERENCE | |
| Seiko 7750-5080 | SEIKO CASE REFERENCE | |
| Seiko 9923-8050 | SEIKO CASE REFERENCE | |
| Seiko V782-6D00 | SEIKO CASE 971129 |
