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Mainspring
For Ronda 1137
1.20 x 0.080 x 250 x 7.5 mm
Height (H): 1.2mm
Thickness (T): 0.08mm
Total Length (TL): 250mm
Barrel Diameter (BD): 7.5mm
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 |
|---|---|---|
| Bulova C869181 | BULOVA CASE REFERENCE | |
| Caravelle 6OK | 17 JEWEL 18,000 BPH | |
| Citizen 4-164822 | CITIZEN CASE | |
| Citizen 4-711360 | CITIZEN CASE | |
| Citizen 4-948823 | CITIZE CASE REFERENCE | |
| Hamilton 8426 | HAMILTON | |
| Moeris NM | ||
| Omega 16381 | OMEGA CASE - USES CALIBER 480/481 | |
| Omega 591.041 | OMEGA CASE USES CALIBER | |
| Seiko 2949-5060 | SEIKO CASE REFERENCE | |
| Seiko 7800-8099 | SEIKO |
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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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