MAINSPRING, 5 X 11 X 14.5 TONG
For Eterna 1438U
721/GRU 363
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Citizen 30-4701 | CITIZE CASE REFERENCE | |
| Seiko 7759-6050 | SEIKO CASE REFERENCE | |
| Seiko Y563-8220 | PULSAR CASE REFERENCE |
