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Mainspring
For Seiko 4N21-039B
1.25 x 0.125 x 420 x 11.5 mm
GR Reference #: GR3149
Height (H): 1.25mm
Thickness (T): 0.125mm
Total Length (TL): 420mm
Barrel Diameter (BD): 11.5mm
End Type: Manual
To look for similar mainsprings that exactly match a specific dimension, select it from the links above.
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Bueche Girod JD 21 | ||
| Bulova C867303 | BULOVA CASE REFERENCE | |
| Bulova C875027 | BULOVA CASE | |
| Seiko 7T42-F01A | SEIKO CASE | |
| Citizen 1800 | 18,000 BPH 17JL & 19JL & 21JL DSS CALD SHOCK USE 1802 EXCEPT | 11.5 |
| Citizen 4-S58223 | CITIZEN CASE | |
| Citizen 4-224973 | CITIZE CASE REFERENCE | |
| Citizen 4-405561 | CITIZEN CASE | |
| Citizen 4-S58223 | CITIZEN CASE | |
| Citizen 4-S78941 | ||
| Seiko 7T42-F01A | SEIKO CASE | |
| Citizen 44-3285 | CITIZE CASE REFERENCE | |
| Omega 311.009 | OMEGA CASE USES CALIBER 620 | |
| Omega 178.0007 | OMEGA CASE REFERENCE | |
| Omega 27C12 | CHRONOGRAPH HOUR RECORDER | 12 |
| Omega 311.009 | OMEGA CASE USES CALIBER 620 | |
| Omega 391.08350 | OMEGA CASE | |
| Pulsar Y723A | QUARTZ-DIGITAL | |
| Seiko 6106-7040 | SEIKO CASE REFERENCE | |
| Seiko 7F24A | QUARTZ DUAL TIME DISPLAY CALD DSS | 10.5 x 9 |
| Seiko 7T42-F01A | SEIKO CASE | |
| Seiko V236-513A | ||
| Seiko YM62-X189 | ||
| Vacheron Constantin 17 | 17 | |
| Wittnauer CCK2448 | 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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