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Return To ShopTo look for similar mainsprings that exactly match a specific dimension, select it from the links above.
This mainspring does not have a GR reference. The following GR mainsprings are the closest fit, when values differ the exact value is shown brackets for reference:
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Unitas 493 | 16.5 | |
| Benrus HF4BB4 | 18,000 BPH-17JL-DSS-ADJ STUDHOLDER | 11.5 |
| Citizen 31-6539 | CITIZE CASE REFERENCE | |
| Citizen 4-268016 | CITIZEN CASE | |
| Citizen 4-950372 | CITIZEN CASE | |
| Citizen 4-E63590 | CITIZEN CASE | |
| Citizen 4-K03852 | CITIZEN CASE | |
| Eterna 1426U | 13.5 | |
| Omega 591.193 | OMEGA CASE USES CALIBER 1387 | |
| Seiko 5626-7041 | SEIKO CASE REFERENCE | |
| Citizen 4-E63590 | CITIZEN CASE | |
| Seiko H449-5270 | SEIKO CASE REFERENCE | |
| Unitas 493 | 16.5 |
This mainspring is similar to the mainspring used by the following movements. A similar mainspring differs slightly in one or more dimensions but may possibly still work as a replacement. When values differ the exact value is shown brackets for reference:
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