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Mainspring
For Eterna 520U
1.60 x 0.120 x 350 x 11.0 mm
Height (H): 1.6mm
Thickness (T): 0.12mm
Total Length (TL): 350mm
Barrel Diameter (BD): 11mm
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:
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Bulova C888015 | BULOVA CASE REFERENCE | |
| Citizen 4-266323 | CITIZEN CASE | |
| Citizen 4-408195 | CITIZEN CASE | |
| Citizen 4-408195 | CITIZEN CASE | |
| Seiko Y513-6059 | PULSAR CASE | |
| Citizen 4-631765 | CITIZEN CASE | |
| Citizen 4-F90630 | CITIZEN CASE | |
| Ronda 1239 | 18,000 BPH, JEWELLED LEVER AUTO CAL DAY DATE | 12 |
| Fontainemelon 176 | 10.5 | |
| Guba 62.2 | 18000 BPH | 9 x 12.5 |
| Seiko 2A22-0260 | SEIKO CASE REFERENCE | |
| Hattori T750A | QUARTZ-DIGITAL | 12 |
| Citizen 4-408195 | CITIZEN CASE | |
| Junghans 628.01 | 19.5 | |
| Mido 2209 | MIDO CASE REFERENCE | |
| Moeris 19B | 19 | |
| Moeris 19B | 19 | |
| Omega 396.0836 | OMEGA CASE USES CALIBER 1603 | |
| Omega 591.9281 | OMEGA CASE USES CALIBER | |
| Ronda 1239 | 18,000 BPH, JEWELLED LEVER AUTO CAL DAY DATE | 12 |
| Seiko 2A22-0260 | SEIKO CASE REFERENCE | |
| Seiko 6106-7600 | SEIKO CASE REFERENCE | |
| Seiko 6349-6030 | SEIKO CASE REFERENCE | |
| Moeris 19B | 19 | |
| Seiko 7800-5089 | SEIKO CASE REFERENCE | |
| Seiko V621-0030 | SEIKO CASE 951201 | |
| Seiko Y480-5660 | PULSAR CASE REFERENCE | |
| Seiko Y513-6059 | PULSAR CASE |
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Similar Mainspring Listing
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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