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Mainspring
For Seiko 1F21-0M10
1.60 x 0.075 x 240 x 7.0 mm
GR Reference #: GR4437
Height (H): 1.6mm
Thickness (T): 0.075mm
Total Length (TL): 240mm
Barrel Diameter (BD): 7mm
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 C863143 | BULOVA CASE REFERENCE | |
| Seiko 2P20-0B70 | SEIKO CASE REFERENCE | |
| Citizen AZ-9024 | CITIZE CASE REFERENCE | |
| Hamilton 35577 | HAMILT CASE REFERENCE | |
| Omega 2724 | OMEGA CASE USES CALIBER 252 | |
| Seiko 2P20-0B70 | SEIKO CASE REFERENCE | |
| Seiko 6309-5320 | SEIKO CASE REFERENCE | |
| Unitas 179 | CALENDAR SWEEP SECOND | 13 |
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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:
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