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Mainspring
For Gruen 421
1.90 x 0.180 x 450 x 15.0 mm
Height (H): 1.9mm
Thickness (T): 0.18mm
Total Length (TL): 450mm
Barrel Diameter (BD): 15mm
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 2166 | 28,800 BPH-DSS-AUTO-CAL-DAY-DATE-W/CORR-STOP LEVER-FIN | 11.5 |
| A. Schild 2166 | 28,800 BPH-DSS-AUTO-CAL-DAY-DATE-W/CORR-STOP LEVER-FIN | 11.5 |
| Citizen 31-6911 | CITIZE CASE REFERENCE | |
| Citizen 4-397631 | CITIZEN CASE | |
| Citizen 4-E66220 | CITIZEN CASE | |
| Citizen Q00711 | CITIZEN CASE REFERENCE | |
| Hamilton 6194 | HAMILT CASE REFERENCE | |
| Seiko 7T34-8A00 | SEIKO CASE REFERENCE | |
| Seiko Y112-8089 | 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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