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Mainspring
For Gruen 431
2.10 x 0.210 x 490 x 17.0 mm
Height (H): 2.1mm
Thickness (T): 0.21mm
Total Length (TL): 490mm
Barrel Diameter (BD): 17mm
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 |
|---|---|---|
| Fleurier 226 | 11.5 | |
| Bulova W-6 | BULOVA RP | |
| Citizen 4-H05259 | CITIZEN CASE | |
| Roamer 377 | PIN LEVER-DIRECT CENTER SECOND | 11.5 |
| Citizen 4-S39687 | CITIZEN CASE | |
| Citizen 4-Y50165 | CITIZEN CASE | |
| Forster 412 | 21,600 BPH INCA DSS CALENDAR | 7.75 |
| Fleurier 226 | 11.5 | |
| Forster 412 | 21,600 BPH INCA DSS CALENDAR | 7.75 |
| Hanhart 122 | CHRONOGRAPH / TIMER | 19.5 |
| Longines FI3063L960 | LONGIN CASE REFERENCE | |
| Mido 2784 | 28,800 BPH AUTO CAL W/CORR | 11.5 |
| Omega 151.0012 | OMEGA CASE USES CALIBER | |
| Omega 192.022 | OMEGA CASE USES CALIBER 1325 | |
| Parrenin 61-63 | 9.75 | |
| Roamer 377 | PIN LEVER-DIRECT CENTER SECOND | 11.5 |
| Seiko V232-5330 | PULSAR CASE REFERENCE | |
| Seiko Y652-5220 |
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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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