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Mainspring
For Seiko 8420-5820
1.40 x 0.105 x 320 x 9.5 mm
GR Reference #: GR3681
Height (H): 1.4mm
Thickness (T): 0.105mm
Total Length (TL): 320mm
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.
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Citizen 3201 | 18000 BPH | 12 |
| Citizen 4-204999 | CITIZEN CASE | |
| Citizen 71-4518 | CITIZE CASE REFERENCE | |
| Citizen 4-652410 | CITIZEN CASE | |
| Movado 86-42-876 | MOVADO | |
| Citizen 4-948998 | CITIZE CASE REFERENCE | |
| Citizen 4-H00133 | CITIZEN CASE | |
| Citizen 4-S11324 | CITIZE CASE REFERENCE | |
| Citizen 50-6010 | CITIZE CASE REFERENCE | |
| Citizen 3201 | 18000 BPH | 12 |
| Citizen 71-4518 | CITIZE CASE REFERENCE | |
| Citizen 83-1964 | CITIZE CASE REFERENCE | |
| Felsa 393 | 12 | |
| Lavina 23 | 19 | |
| Movado 86-42-876 | MOVADO | |
| Omega 311.166 | OMEGA CASE USES CALIBER 625 | |
| Omega 366.846 | OMEGA CASE USES CALIBER 1012 | |
| Rolex 74100 | ROLEX CASE REFERENCE | |
| Seiko 1E50-5189 | SEIKO CASE REFERENCE | |
| Seiko 5E31-6C90 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 5M42-0H20 | ||
| Seiko 5P30-5020 | SEIKO CASE REFERENCE | |
| Seiko 6139-7109 | SEIKO CASE REFERENCE | |
| Seiko 7546-701E | SEIKO CASE REFERENCE | |
| Seiko Y789-5500 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko YT57-0A70 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Wyler WG28 | DIRECT CENTER SECOND-INCAFLEX | 10.5 |
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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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