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Mainspring
For ETA 728
1.05 x 0.103 x 345 x 9.5 mm
Height (H): 1.05mm
Thickness (T): 0.1025mm
Total Length (TL): 345mm
Barrel Diameter (BD): 9.5mm
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 |
|---|---|---|
| Bettlach 1469 | PIN LEVER | 5.25 x 8 |
| Citizen 4-092511 | CITIZEN CASE | |
| Citizen 4-682092 | CITIZEN CASE | |
| Elgin 8306 | QUARTZ ANALOG | 5.5 x 6.75 |
| Gruen ETA 2541 | ETA 2541 | |
| Seiko 7320-5820 | SEIKO CASE REFERENCE | |
| Seiko V810-6240 | PULSAR CASE |
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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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