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Mainspring
For Citizen 4-400437
1.23 x 0.134 x 400 x 10.5 mm
Height (H): 1.23mm
Thickness (T): 0.134mm
Total Length (TL): 400mm
Barrel Diameter (BD): 10.5mm
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 31-7730 | CITIZE CASE REFERENCE | |
| Citizen 4-215192 | CITIZEN CASE | |
| Citizen 4-231244 | CITIZEN CASE | |
| Citizen 4-231244 | CITIZEN CASE | |
| Citizen 4-663781 | CITIZEN CASE | |
| Citizen 4-663781 | CITIZEN CASE | |
| Citizen 4-898303 | CITIZEN CASE | |
| Seiko 9029-5100 | SEIKO CASE REFERENCE | |
| Citizen 4-913175 | CITIZEN CASE | |
| Seiko 2519B | 23 JL | 7.75 |
| Citizen 4-F51405 | CITIZEN CASE | |
| Citizen 4-S23951 | CITIZEN CASE | |
| Seiko 7T36-6A1A | SEIKO CASE REFERENCE | |
| Citizen 4-Y64492 | CITIZEN CASE | |
| Elgin 681 | ||
| Felsa 366 | 11.5 | |
| Mido 1147-5OCD | 25,200 BPH | 13 |
| Seiko 1230-5710 | SEIKO CASE REFERENCE | |
| Seiko 2519B | 23 JL | 7.75 |
| Seiko 1230-5710 | SEIKO CASE REFERENCE | |
| Seiko 7622-3007 | SEIKO CASE REFERENCE | |
| Seiko 7T36-6A1A | SEIKO CASE REFERENCE | |
| Seiko 9029-5100 | SEIKO CASE REFERENCE | |
| Waltham Y814 | CITIZEN 8555 |
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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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