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Mainspring
For Ronda 311A
1.70 x 0.115 x 340 x 10.0 mm
Height (H): 1.7mm
Thickness (T): 0.115mm
Total Length (TL): 340mm
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 |
|---|---|---|
| Bulova C867792 | ||
| Citizen 4-072162 | CITIZEN CASE | |
| Seiko 9021-517A | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Citizen 4-351487 | CITIZEN CASE | |
| Citizen 4-S21052 | CITIZEN CASE REFERENCE | |
| Omega 16473 | OMEGA CASE - USES CALIBER 480/483 | |
| Seiko 1F20-5A69 | SEIKO CASE REFERENCE | |
| Seiko 8420-7569 | SEIKO CASE REFERENCE | |
| Seiko 9021-517A | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko Y643-5020 | PULSAR CASE REFERENCE | |
| Zenith 4003 | 13.5 |
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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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