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Mainspring
For Hamilton 781
1.20 x 0.100 x 290 x 9.0 mm
Height (H): 1.2mm
Thickness (T): 0.1mm
Total Length (TL): 290mm
Barrel Diameter (BD): 9mm
End Type: Auto
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 |
|---|---|---|
| Cyma Tavannes 784 | 17 | |
| Citizen 37-8933 | CITIZE CASE REFERENCE | |
| Citizen 4-572041 | CITIZEN CASE | |
| Citizen 4-740076 | CITIZEN CASE | |
| Croton EJHO-B4806 | DSS CALENDAR | 11.5 |
| Cyma Tavannes 784 | 17 | |
| Cyma Tavannes 784 | 17 | |
| Lemania 2500 | CHRO HR REC | 12 |
| Seiko 5930-5509 | SEIKO CASE REFERENCE | |
| Longines 3461 | ||
| Omega 6520 | OMEGA CASE USES CALIBER 410, 361, AND 371 | |
| Omega 7749 | SOLID WHITE GOLD OMEGA CS REFERENCE | |
| Seiko 1100-8079 | SEIKO CASE REFERENCE | |
| Seiko 5930-5509 | SEIKO CASE REFERENCE | |
| Seiko 7T32-7A6A | SEIKO | |
| Seiko V250-5240 | PULSAR CASE REFERENCE | |
| Wittnauer 5625-D11AE | WITTNA 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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