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Mainspring
For Cortebert 309
1.60 x 0.120 x 320 x 10.5 mm
Height (H): 1.6mm
Thickness (T): 0.12mm
Total Length (TL): 320mm
Barrel Diameter (BD): 10.5mm
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 |
|---|---|---|
| Citizen 4-079361 | CITIZEN CASE | |
| Citizen 4-F44573 | CITIZEN CASE | |
| Citizen 4-F60340 | CITIZEN CASE | |
| Seiko 1600-6030 | SEIKO CASE REFERENCE | |
| Citizen 4-S62123 | CITIZEN CASE REFERENCE | |
| Citizen 44-7234 | CITIZE CASE REFERENCE | |
| Citizen QA7015 | CITIZE CASE REFERENCE | |
| Ricoh 2261 | ||
| ETA 1047 | 5.75 x 7 | |
| Junghans 600.30 | 13.5 | |
| Ricoh 2261 | ||
| Rolex 10 1/2H | ROLEX MECHANICAL MVT | |
| Rolex 9321 | ROLEX CASE REFERENCE | |
| Seiko 1221-5670 | SEIKO CASE REFERENCE | |
| Seiko 1600-6030 | SEIKO CASE REFERENCE | |
| Seiko 4N00-0289 | SEIKO CASE 08/12/98 | |
| Seiko 5421-007A | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 5P39-6020 | SEIKO CASE REFERENCE | |
| Seiko 7009-511A | SEIKO CASE REFERENCE | |
| Seiko 8N20-6000 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko V348-8009 | PULSAR CASE REFERENCE | |
| Sonceboz 262 | 8.75 |
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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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