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Mainspring
For Hamilton 77
1.25 x 0.110 x 320 x 10.0 mm
Height (H): 1.25mm
Thickness (T): 0.11mm
Total Length (TL): 320mm
Barrel Diameter (BD): 10mm
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 |
|---|---|---|
| Citizen 30-2333 | CITIZE CASE REFERENCE | |
| Citizen 4-167562 | CITIZEN CASE | |
| Citizen 44-1309 | CITIZE CASE REFERENCE | |
| Citizen 4-E62798 | CITIZE CASE REFERENCE | |
| Landeron 220 | TIMER-2 FUNCTION | 17 |
| Citizen 4-Y63909 | CITIZEN CASE | |
| Citizen 44-1309 | CITIZE CASE REFERENCE | |
| Elgin 681 | ||
| Landeron 220 | TIMER-2 FUNCTION | 17 |
| Longines KW2518 | LONGINES CASE | |
| Omega 368.0851 | OMEGA CASE USES CALIBER 1021 | |
| Seiko 1100-3389 | SEIKO CASE REFERENCE | |
| Seiko 2K22-0110 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko H601-5260 | SEIKO 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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