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Mainspring
For Gruen 421
1.15 x 0.080 x 220 x 7.0 mm
Height (H): 1.15mm
Thickness (T): 0.08mm
Total Length (TL): 220mm
Barrel Diameter (BD): 7mm
End Type: Manual
To look for similar mainsprings that exactly match a specific dimension, select it from the links above.
GR Approximation
This mainspring does not have a GR reference. The following GR mainsprings are the closest fit, when values differ the exact value is shown brackets for reference:
| GR Reference # | Mainspring |
|---|---|
| GR2790 | 1.15 x 0.085 (0.080) x 240 (220) x 7.0 mm |
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Belstaff 11U4B8 | 17JL DSS SHOCK | 11.5 |
| Bulova C863071 | BULOVA CASE REFERENCE | |
| Citizen 4-770871 | CITIZEN CASE | |
| Judex 69-21 M8 | 21,600 BPH | 8.75 |
| Omega 196.0215 | OMEGA CASE | |
| Belstaff 11U4B8 | 17JL DSS SHOCK | 11.5 |
| Ricoh 0351 | 7.75 x 6.75 | |
| Seiko 6531-5140 | SEIKO CASE REFERENCE | |
| Winton 582-17 | AS 1012 | |
| Zenith 49.0 | 28,800 BPH-DSS-AUTO-BALL BEARING-CALD W/CORR STOP SEC- | 12.5 |
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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 # |
|---|---|---|
| Uwersi 57/6 | 1.10 (1.15) x 0.100 (0.080) x 195 (220) x 7.5 (7.0) mm |
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