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Mainspring
For Citizen 45-8121
1.25 x 0.110 x 290 x 9.5 mm
Height (H): 1.25mm
Thickness (T): 0.11mm
Total Length (TL): 290mm
Barrel Diameter (BD): 9.5mm
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 |
|---|---|
| GR3138 | 1.25 x 0.115 (0.110) x 280 (290) x 9.5 mm |
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Citizen 21-6003 | CITIZE CASE REFERENCE | |
| Citizen 4-325231 | CITIZEN CASE | |
| Citizen 4-404653 | CITIZEN CASE | |
| Citizen 4-S030561 | ||
| Citizen 4-S45776 | CITIZEN CASE | |
| Felsa 4019 | CAL 18000 BPH | 11.5 |
| Felsa 4019 | CAL 18000 BPH | 11.5 |
| Seiko 6619-9080 | SEIKO CASE REFERENCE | |
| Seiko Y100-5089 | PULSAR CASE. | |
| Seiko Y131-7050 | PHASAR CASE REFERENCE | |
| Seiko Y481-0220 | PULSAR CASE REFERENCE | |
| Citizen 4-325231 | CITIZEN CASE | |
| Citizen 4-S030561 |
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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 # |
|---|---|---|
| Otero 804 | 1.20 (1.25) x 0.100 (0.110) x 320 (290) x 9.5 mm |
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