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Mainspring
For Osco 78
2.10 x 0.180 x 450 x 15.0 mm
Height (H): 2.1mm
Thickness (T): 0.18mm
Total Length (TL): 450mm
Barrel Diameter (BD): 15mm
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 |
|---|---|---|
| Court-essor S | 10.5 | |
| A. Schild 621 | 10.5 | |
| Citizen 4-H07502 | CITIZEN CASE | |
| Citizen 4-H09785 | CITIZEN CASE | |
| A. Schild 621 | 10.5 | |
| Court-essor S | 10.5 | |
| Jaeger Lecoultre 354 | 13.5 | |
| Judex 125TC | SS CALD | 10.5 |
| Judex 52 | 8.75 | |
| Seiko 2P20-5A80 | SEIKO CASE REFERENCE | |
| Omega 168.0075 | OMEGA CASE REFERENCE | |
| Sgt 75-10E4] | PUW 810 OR 800 | 6 x 8 |
| Omega 5294 | OMEGA CASE USES CALIBER 680 | |
| Phenix 98 | 8.75 | |
| Pulsar V320A | ANALOG QUARTZ W/O SEC | 6.75 x 8 |
| Seiko 2P20-5A80 | SEIKO CASE REFERENCE | |
| Seiko 2P20-5A80 | SEIKO CASE REFERENCE | |
| Omega 168.0075 | OMEGA CASE REFERENCE | |
| Seiko 4336-8139 | SEIKO | |
| Seiko 7N01-H972 | ||
| Seiko 7T92-0DS0 | SEIKO CASE REFERENCE COSERVE 2005 | |
| Citizen 4-H07502 | CITIZEN CASE | |
| Seiko V041-80902 | SEIKO CASE REFERENCE | |
| Seiko V072-0010 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko V401-5040 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko V515-5820 | PULSAR CASE REFERENCE | |
| Seiko Y143-0A80 | ||
| Seiko Y716-4020 | PULSAR CASE REFERENCE | |
| Sgt 75-10E4] | PUW 810 OR 800 | 6 x 8 |
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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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