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Mainspring
For Seiko 2E20-7220
1.50 x 0.140 x 360 x 11.5 mm
GR Reference #: GR4229
Height (H): 1.5mm
Thickness (T): 0.14mm
Total Length (TL): 360mm
Barrel Diameter (BD): 11.5mm
End Type: Manual
The Thickness (T) (0.140mm) is selected. Return to full mainspring page here.
Similar Mainspring Listing
The Thickness (T) (0.140mm) in this mainspring is also used by the following movements with similar mainsprings. When values differ the exact value is shown brackets for reference:
| Movement | Mainspring | GR Reference # |
|---|---|---|
| IWC 63 12.5 | 1.40 (1.50) x 0.140 x 290 (360) x 11.0 (11.5) mm |
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