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Mainspring
For Certina 28-163
1.80 x 0.075 x 8.0 mm
Height (H): 1.8mm
Thickness (T): 0.075mm
Barrel Diameter (BD): 8mm
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 |
|---|---|
| GR5212 | 1.80 x 0.080 (0.075) x 280 x 8.0 mm |
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Hamilton 9482 | HAMILT CASE REFERENCE | |
| Ronda 1286-21 | 21,600 BPH-JEWELLED LEVER-AUTO-DIGITAL-W/O SECOND | 12 |
| Ronda 1286-21 | 21,600 BPH-JEWELLED LEVER-AUTO-DIGITAL-W/O SECOND | 12 |
| Zodiac 70 | AUTO-DSS-OFFSET-CENTER WHEEL INCA BLOC | 11.5 |
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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 # |
|---|---|---|
| A Michel 90 | 1.70 (1.80) x 0.100 (0.075) x 195 x 7.5 (8.0) mm |
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