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Mainspring
For Gruen 431
1.40 x 0.120 x 320 x 10.5 mm
Height (H): 1.4mm
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:
| GR Reference # | Mainspring |
|---|---|
| GR37411 | 1.40 x 0.125 (0.120) x 340 (320) x 10.5 mm |
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Citizen 4-E64481 | CITIZEN CASE | |
| Bulova 8AD | SMALL SECOND | 8 x 9 |
| Bulova C859021 | BULOVA CASE REFERENCE | |
| Bulova C9671127 | ||
| Citizen 4-150503 | CITIZEN CASE | |
| Citizen 4-652231 | CITIZE CASE REFERENCE | |
| Citizen 4-E64481 | CITIZEN CASE | |
| Citizen 4-F43607 | CITIZEN CASE | |
| Citizen 4-H07197 | CITIZEN CASE | |
| Citizen 4-S35916 | CITIZEN CASE | |
| ETA 280.702 | 3.75 x 6.75 | |
| Omega 16252 | OMEGA CASE - USES CALIBER 690 | |
| Omega 196.269 | OMEGA CASE USES CALIBER 1432 | |
| Seiko 0903-5020 | SEIKO CASE REFERENCE | |
| Seiko 1000-3230 | SEIKO CASE REFERENCE | |
| Seiko 7812-5120 | SEIKO CASE REFERENCE | |
| Seiko 7F22-5000 | SEIKO CASE REFERENCE | |
| Seiko 9020-5140 | SEIKO CASE REFERENCE | |
| Seiko Y142-815A | SEIKO CASE REFERENCE |
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Similar Mainspring Listing
This mainspring is similar to that used by the following movements. When values differ the exact value is shown brackets for reference:
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