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Mainspring
For Seiko 8420-6420
1.60 x 0.150 x 640 x 16.5 mm
GR Reference #: GR4618
Height (H): 1.6mm
Thickness (T): 0.15mm
Total Length (TL): 640mm
Barrel Diameter (BD): 16.5mm
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 |
|---|---|---|
| Bulova C843 | BULOVA CASE REFERENCE | |
| Citizen 1L45 | ||
| Citizen 39-5307 | CITIZE CASE REFERENCE | |
| Citizen 4-919572 | CITIZEN CASE | |
| Citizen 4-F47548 | CITIZEN CASE | |
| Citizen 4-H00541 | CITIZEN CASE | |
| Citizen 4-S21591 | CITIZE CASE REFERENCE | |
| Citizen 45-4346 | CITIZE CASE REFERENCE | |
| Felsa 170 (17L) | HEIGHT 3.10 | 17 |
| Rolex 7969 | ROLEX CASE REFERENCE | |
| Seiko FAIRWAY | 21 JEWEL DSS | 11.5 |
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