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Mainspring
For Eterna 520S
1.50 x 0.105 x 270 x 9.0 mm
Height (H): 1.5mm
Thickness (T): 0.105mm
Total Length (TL): 270mm
Barrel Diameter (BD): 9mm
End Type: Manual
To look for similar mainsprings that exactly match a specific dimension, select it from the links above.
GR Approximation
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:
| GR Reference # | Mainspring |
|---|---|
| GR41332 | 1.50 x 0.105 x 280 (270) x 9.0 mm |
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Citizen 4-020065 | CITIZEN CASE | |
| Citizen 4-321251 | CITIZEN CASE | |
| Citizen 4-F44221 | CITIZEN CASE | |
| Citizen 4-E42240 | CITIZEN CASE | |
| Citizen 4-F44221 | CITIZEN CASE | |
| Citizen 4-L10463 | CITIZEN CASE | |
| Citizen 4-S046211 | ||
| Citizen 4-S04646 | CITIZE CASE REFERENCE | |
| Citizen 4-S36394 | CITIZEN CASE | |
| Citizen 44-5282 | CITIZE CASE REFERENCE | |
| Citizen SA-1172 | CITIZE CASE REFERENCE | |
| Mido 7539* | MIDO CASE REFERENCE *USES 2 OR MORE CALIBERS | |
| Seiko 2E20-5369 | SEIKO CASE REFERENCE | |
| Seiko 4K22-0040 | SEIKO CASE REFERENCE | |
| Seiko 5740-8000 | SEIKO CASE REFERENCE | |
| Seiko 7546-8120 | SEIKO CASE REFERENCE | |
| Seiko 7N22-6A80 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko V401-2089 | ||
| Seiko V782-6D20 | SEIKO CASE 971129 | |
| Seiko Y131-6030 | SEIKO CASE REFERENCE COSERVE 2003/2004 |
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Similar Mainspring Listing
This mainspring is similar to that used by the following movements. When values differ the exact value is shown brackets for reference:
| Movement | Mainspring | GR Reference # |
|---|---|---|
| Felsa 236 | 1.45 (1.50) x 0.130 (0.105) x 300 (270) x 10.0 (9.0) mm | GR40071 |
| Felsa 250 | 1.45 (1.50) x 0.130 (0.105) x 300 (270) x 10.0 (9.0) mm | GR40071 |
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