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Mainspring
For General 820B
1.40 x 0.110 x 390 x 11.0 mm
Height (H): 1.4mm
Thickness (T): 0.11mm
Total Length (TL): 390mm
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 C837205 | ||
| Bulova N542 | CARAVELLE CASE REFERENCE | |
| Citizen 4-662695 | CITIZE CASE REFERENCE | |
| Citizen 4-F44859 | CITIZEN CASE | |
| Citizen 4-F52363 | CITIZEN CASE | |
| Citizen 4-H06468 | CITIZEN CASE | |
| Dugena 714 | 6.75 x 8 | |
| Eterna 1321T | 10.5 | |
| Longines 30 | 13.25 | |
| Seiko 1E20-5200 | SEIKO CASE REFERENCE | |
| Seiko 1N00-0BC0 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 5A70-0010 | SEIKO CASE REFERENCE | |
| Seiko 7771-6030 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 7902-0050 | SEIKO CASE REFERENCE | |
| Seiko 7A39-7290 | SEIKO CASE 08/12/98 | |
| Seiko 7N89-0029 | SEIKO CASE 08/12/98 | |
| Seiko V145-0D90 | ||
| Seiko V232-0790 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko Y100-5340 | PULSAR CASE REFERENCE | |
| Smith EP 14 | 8 DAY | |
| Universal Geneve 1105 | MECH MCMT | |
| Wittnauer II Q115DR | 1518 ESA 944.131 | |
| Wyler 1737-7 | WYLER CASE REFERENCE |
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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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