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Mainspring
For Eterna 1020
1.50 x 0.170 x 390 x 13.5 mm
Height (H): 1.5mm
Thickness (T): 0.17mm
Total Length (TL): 390mm
Barrel Diameter (BD): 13.5mm
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 C863200 | BULOVA CASE REFERENCE | |
| Citizen 30-3844 | CITIZE CASE REFERENCE | |
| Bulova C863200 | BULOVA CASE REFERENCE | |
| Citizen 30-3844 | CITIZE CASE REFERENCE | |
| Omega 396.1021 | OMEGA CASE USES CALIBER 1430 | |
| Seiko 2F70-5290 | SEIKO CASE REFERENCE | |
| Seiko 7N29-6D70 | SEIKO CASE 951201 | |
| Westclox D447 | 7 JL-DSS-CALENDAR-SHOCK-ADJ STUD HOLDER | 11.5 |
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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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