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Mainspring
For IWC 53 20
1.40 x 0.065 x 225 x 5.5 mm
Height (H): 1.4mm
Thickness (T): 0.065mm
Total Length (TL): 225mm
Barrel Diameter (BD): 5.5mm
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:
| GR Reference # | Mainspring |
|---|---|
| GR35771 | 1.40 x 0.070 (0.065) x 240 (225) x 5.5 mm |
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Elgin FC278-040 | ELGIN | |
| MSR T4 | 19,800 BPH DSS OFFSET CENTER WHL | 11.5 |
| Rolex 19028 | ROLEX CASE REFERENCE |
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Similar Mainspring Listing
This mainspring is similar to that used by the following movements. When values differ the exact value is shown brackets for reference:
| Movement | Mainspring | GR Reference # |
|---|---|---|
| Eterna 12668 | 1.32 (1.40) x 0.077 (0.065) x 300 (225) x 7.0 (5.5) mm |
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