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Mainspring
For ISA 307A
1.20 x 0.070 x 240 x 6.5 mm
GR Reference #: GR2856
Height (H): 1.2mm
Thickness (T): 0.07mm
Total Length (TL): 240mm
Barrel Diameter (BD): 6.5mm
End Type: Manual
To look for similar mainsprings that exactly match a specific dimension, select it from the links above.
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Benrus 9GB | 6.75 x 8 | |
| Seiko D138-5010 | SEIKO CASE REFERENCE | |
| Citizen 4-155084 | CITIZEN CASE | |
| Hamilton 8158 | HAMILT CASE REFERENCE | |
| Omega 162.0010 | OMEGA CASE - USES CALIBER 565 | |
| Omega 16951 | OMEGA CASE - USES CALIBER 481 | |
| Omega 16951 | OMEGA CASE - USES CALIBER 481 | |
| Omega H7962 | OMEGA CASE NO PARTS AVAILABLE | |
| Benrus 9GB | 6.75 x 8 | |
| Seiko 2406-3040 | SEIKO CASE REFERENCE | |
| Seiko 7732-6009 | SEIKO CASE REFERENCE | |
| Seiko 7770-5210 | SEIKO CASE REFERENCE | |
| Seiko D138-5010 | SEIKO CASE REFERENCE | |
| Seiko V230-6050 | PULSAR CASE REFERENCE | |
| Seiko Y100-5720 | 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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