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Mainspring
For Seiko 7C21-0A21
1.20 x 0.060 x 220 x 6.0 mm
GR Reference #: GR2842
Height (H): 1.2mm
Thickness (T): 0.06mm
Total Length (TL): 220mm
Barrel Diameter (BD): 6mm
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:
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 # |
|---|---|---|
| Chopard 846 | 1.17 (1.20) x 0.060 x 235 (220) x 5.5 (6.0) mm | |
| Jaeger Lecoultre 846 | 1.17 (1.20) x 0.060 x 235 (220) x 5.5 (6.0) mm |
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