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Mainspring
For Longines 990.2
1.30 x 0.100 x 360 x 10.0 mm
Height (H): 1.3mm
Thickness (T): 0.1mm
Total Length (TL): 360mm
Barrel Diameter (BD): 10mm
End Type: Auto
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 4-043979 | CITIZEN CASE | |
| Citizen AA-8012 | CITIZE CASE REFERENCE | |
| Citizen 4-364414 | CITIZE CASE REFERENCE | |
| Citizen 4-F91504 | CITIZEN CASE | |
| Longines 647.2 | 28,800 BPH-DSS-AUTO-STOP SEC-BALL BEARING | 12.5 |
| Citizen 4-G05271 | CITIZEN CASE | |
| Citizen 4-K05693 | CITIZEN CASE | |
| Citizen 4-S043140 | CITIZEN CASE | |
| Citizen 4-S57081 | CITIZEN CASE | |
| Citizen AA-8012 | CITIZE CASE REFERENCE | |
| Citizen AC-6092 | CITIZE CASE REFERENCE | |
| Girard Perregaux 866 | 28,800 BPH | 7.75 |
| Citizen 4-F91504 | CITIZEN CASE | |
| Longines 647.2 | 28,800 BPH-DSS-AUTO-STOP SEC-BALL BEARING | 12.5 |
| Omega 791.888 | OMEGA CASE USES CALIBER 1455 | |
| Seiko 5Y30-6050 | ||
| Seiko 5Y31-510A | SEIKO CASE REFERENCE | |
| Seiko 7772-5000 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Wittnauer CHT8059 |
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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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