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Mainspring
For ETA 390
1.30 x 0.100 x 250 x 8.5 mm
Height (H): 1.3mm
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:
| GR Reference # | Mainspring |
|---|---|
| GR3266 | 1.30 x 0.105 (0.100) x 260 (250) x 8.5 mm |
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Citizen 4-168470 | CITIZEN CASE | |
| Citizen 4-264720 | CITIZEN CASE | |
| Citizen 4-G31255 | CITIZEN CASE | |
| Citizen C601 | ||
| Citizen 4-L10284 | CITIZEN CASE | |
| Citizen 4-R06501 | CITIZEN CASE | |
| Citizen AA-6005 | CITIZE CASE REFERENCE | |
| Citizen 4-168470 | CITIZEN CASE | |
| Citizen C601 | ||
| Seiko 1004C | 17 & 21 JL SW SEC | 5.5 x 7 |
| Seiko 5P32-6A50 | SEIKO CASE REFERENCE | |
| Seiko 7N29-6271 | SEIKO CASE 951201 |
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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 # |
|---|---|---|
| Tissot 781 | 1.20 (1.30) x 0.100 x 360 (250) x 10.0 (8.5) mm | GR2924 |
| Tissot 782 | 1.20 (1.30) x 0.100 x 360 (250) x 10.0 (8.5) mm | GR2924 |
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