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Mainspring
For Seiko 7C21-0A21
1.20 x 0.070 x 220 x 6.0 mm
GR Reference #: GR2855
Height (H): 1.2mm
Thickness (T): 0.07mm
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:
| Movement | Description | Ligne |
|---|---|---|
| Longines CHT1961 | ||
| Bulova C869492 | BULOVA CASE REFERENCE | |
| Seiko 5M63-0AB0 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Citizen 4-201272 | CITIZEN CASE | |
| Citizen 4-490169 | CITIZE CASE REFERENCE | |
| Citizen 4-S01264 | CITIZE CASE REFERENCE | |
| Longines CHT1961 | ||
| Oris 611 | PIN LEVER | 8.75 |
| Seiko 1400-112A | SEIKO CASE REFERENCE | |
| Seiko 1E20-5507 | SEIKO CASE 08/12/98 | |
| Seiko 1N01-0DC0 | SEIKO CASE REFERENCE COSERVE 2005 | |
| Seiko 2E20-5730 | SEIKO CASE REFERENCE | |
| Seiko 5420-543B | SEIKO CASE REFERENCE | |
| Seiko 5M63-0AB0 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 5Y31-8030 | ||
| Seiko 5Y32-5A10 | SEIKO CASE REFERENCE | |
| Seiko 7T32-7C69 | SEIKO |
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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 # |
|---|---|---|
| Chopard 846 | 1.17 (1.20) x 0.060 (0.070) x 235 (220) x 5.5 (6.0) mm | |
| Jaeger Lecoultre 846 | 1.17 (1.20) x 0.060 (0.070) x 235 (220) x 5.5 (6.0) mm |
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