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Mainspring
For Hamilton 921
1.25 x 0.100 x 250 x 8.5 mm
Height (H): 1.25mm
Thickness (T): 0.1mm
Total Length (TL): 250mm
Barrel Diameter (BD): 8.5mm
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:
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Bulova C4268 | BULOVA 2500.30 | |
| Citizen 4-H30181 | ||
| Bulova C867578 | ||
| Bulova C877474 | BULOVA CASE | |
| Citizen 4-571827 | CITIZEN CASE | |
| Citizen 4-663730 | CITIZEN CASE | |
| Citizen 4-790197 | CITIZEN CASE | |
| Citizen 4-799887 | CITIZEN CASE | |
| Citizen 4-E40522 | CITIZEN CASE | |
| Citizen 4-G12528 | CITIZEN CASE | |
| Miyota 9T33 | TS/MIY 9T33 | |
| Citizen 4-H30181 | ||
| Citizen 4-Y54926 | CITIZEN CASE | |
| Citizen 4-Y65847 | CITIZEN CASE | |
| Concord 93 | ||
| Cyma Tavannes 814 | 8.75 | |
| Hamilton 8122 | HAMILTON CASE | |
| Miyota 9T33 | TS/MIY 9T33 | |
| Omega 145.0007 | OMEGA CASE USES CALIBER 865 | |
| Ronda 703 | QUARTZ ANALOG DSS | 10.5 |
| Seiko 1140-7180 | SEIKO CASE REFERENCE | |
| Seiko 1N01-5A40 | SEIKO CASE REFERENCE | |
| Seiko 2205-3140 | SEIKO CASE REFERENCE | |
| Seiko 5A74-0190 | SEIKO CASE REFERENCE | |
| Seiko 7009-591J | SEIKO CASE REFERENCE | |
| Seiko 7A38-706A | SEIKO CASE REFERENCE | |
| Seiko V041-9010 | SEIKO CASE REFERENCE COSERVE 2003/2004 |
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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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