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Mainspring
For ETA 991
1.35 x 0.110 x 320 x 10.0 mm
Height (H): 1.35mm
Thickness (T): 0.11mm
Total Length (TL): 320mm
Barrel Diameter (BD): 10mm
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 |
|---|---|---|
| A. Schild 1090 | 8.75 | |
| Citizen 4-272439 | CITIZEN CASE | |
| Citizen 4-407504 | CITIZEN CASE | |
| Citizen 4-S22903 | CITIZEN CASE | |
| Citizen AF-2952 | CITIZE CASE REFERENCE | |
| Concord 37 | ||
| ETA 1232 | 8 x 9 | |
| Hamilton 880001-4 | HAMILT CASE REFERENCE | |
| Seiko 2205-4000 | SEIKO CASE REFERENCE | |
| Seiko 2320-5400 | SEIKO CASE REFERENCE | |
| Seiko 8M37-8019 | SEIKO CASE 08/12/98 | |
| Seiko V102-5080 | PHASAR CASE REFERENCE | |
| Seiko Y709-4089 | PULSAR 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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