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Mainspring
For Citizen 38-8521
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 |
|---|---|---|
| A. Schild 1777 | 21,600 BPH | 5.75 x 6.75 |
| Bulova C867288 | ||
| Citizen 36-0279 | CITIZE CASE REFERENCE | |
| Citizen 4-077334 | CITIZEN CASE | |
| Citizen 4-L11515 | CITIZEN CASE | |
| Omega 16094 | OMEGA CASE - USES CALIBER 210/240 | |
| Seiko 8420-6400 | SEIKO CASE REFERENCE | |
| Omega 2840 | OMEGA CASE USES CALIBER 480 | |
| Omega 796.821 | OMEGA CASE USES CALIBER 1360 | |
| Raketa 2623.H | 11.5 | |
| Seiko 1004B | 21 JL SW SEC | 5.5 x 7 |
| Seiko 6319-5200 | SEIKO CASE REFERENCE | |
| Seiko 7321-5720 | SEIKO CASE REFERENCE | |
| Seiko 8420-5080 | SEIKO CASE REFERENCE | |
| Seiko 8420-6400 | SEIKO CASE REFERENCE | |
| Wittnauer JV8007 | WITTNA CASE REFERENCE | |
| Seiko H601-540A | SEIKO CASE REFERENCE | |
| Seiko V348-7010 | PULSAR CASE REFERENCE | |
| Universal Geneve 75 | DIRECT CENTER SECOND-AUTOMATIC-INCABLOC | 7.75 |
| Wittnauer JV8007 | WITTNA 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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