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Mainspring
For Fontainemelon 278
1.55 x 0.100 x 250 x 8.5 mm
Height (H): 1.55mm
Thickness (T): 0.1mm
Total Length (TL): 250mm
Barrel Diameter (BD): 8.5mm
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 |
|---|---|---|
| Caravelle 1121.50 | ETA 2851 | |
| Chopard 846 | 21,600 BPH 17JL SHK ADJ STUD HOLDER | 5.5 x 6.75 |
| Citizen 4-096177 | CITIZE CASE REFERENCE | |
| Citizen 4-264401 | CITIZEN CASE | |
| Citizen 4-949650 | CITIZE CASE REFERENCE | |
| Citizen 4-S05405 | CITIZEN CASE | |
| Citizen 4-096177 | CITIZE CASE REFERENCE | |
| Elgin FF144-012 | ELGIN CASE | |
| Longines MZ5733 | LONGINE CASE REFERENCE CAL 256.041 | |
| Seiko 5Y39-7030 | SEIKO CASE REFERENCE | |
| Seiko 7A36-7010 | SEIKO CASE REFERENCE | |
| Seiko 7N83-6A40 | SEIKO CASE REFERENCE | |
| Chopard 846 | 21,600 BPH 17JL SHK ADJ STUD HOLDER | 5.5 x 6.75 |
| Seiko A359-5040 | SEIKO CASE REFERENCE | |
| Longines MZ5733 | LONGINE CASE REFERENCE CAL 256.041 | |
| Chopard 846 | 21,600 BPH 17JL SHK ADJ STUD HOLDER | 5.5 x 6.75 |
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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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