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Mainspring
For ETA 2804-2
1.60 x 0.090 x 280 x 8.5 mm
Height (H): 1.6mm
Thickness (T): 0.09mm
Total Length (TL): 280mm
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 |
|---|---|---|
| Citizen 4-821912 | CITIZEN CASE | |
| Amida REVOX 8 DAY | PIN LEVER-CLOCK-KEY WIND-ALARM | 20 |
| Citizen 4-040058 | CITIZEN CASE | |
| Citizen 4-821912 | CITIZEN CASE | |
| Citizen 49-6383 | CITIZE CASE REFERENCE | |
| ETA 1190 | DIRECT CENTER SECOND | 8 x 9 |
| Gruen 665 CA | AS 1581 | 11.5 |
| Citizen 4-040058 | CITIZEN CASE | |
| Omega 14603 | OMEGA CASE - USES CALIBER 300 | |
| Puw 363 | DSS DAY DATE | 11.5 |
| Standard 1951 | 21600 BPH - DSS - CALDENDAR | 11.5 |
| Citizen 49-6383 | CITIZE CASE REFERENCE |
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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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