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Mainspring
For Certina 920-1
1.35 x 0.080 x 250 x 7.5 mm
Height (H): 1.35mm
Thickness (T): 0.08mm
Total Length (TL): 250mm
Barrel Diameter (BD): 7.5mm
End Type: Auto
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 C7487 | BULOVA CASE REFERENCE | |
| Citizen 4-241002 | CITIZEN CASE | |
| Citizen 4-949196 | CITIZE CASE REFERENCE | |
| Citizen 4-L08115 | CITIZEN CASE | |
| Citizen 86-0808 | CITIZE CASE REFERENCE | |
| Omega 141.0078 | OMEGA CASE - USES CALIBER 260 | |
| Omega 196.243 | OMEGA CASE USES CALIBER 1425 | |
| Omega 511.030 | OMEGA CASE USES CALIBER 483 | |
| Oris 437 | PIN LEVER-CLOCK-KEYWIND | 21.5 |
| Oris 654 | DSS CALENDAR P.L. | 11.5 |
| Citizen 4-L08115 | CITIZEN CASE | |
| Seiko 1100-0390 | SEIKO CASE REFERENCE | |
| Seiko 1F20-5J39 | SEIKO CASE REFERENCE | |
| Seiko V701-2G20 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko Y481-0380 | LORUS CASE REFERENCE | |
| Seiko Y483-0150 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Oris 437 | PIN LEVER-CLOCK-KEYWIND | 21.5 |
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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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