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Mainspring
For Patek Philippe 21
1.80 x 0.210 x 490 x 17.0 mm
Height (H): 1.8mm
Thickness (T): 0.21mm
Total Length (TL): 490mm
Barrel Diameter (BD): 17mm
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 | Buy |
|---|---|---|
| GR5432 | 1.80 x 0.210 x 500 (490) x 17.0 mm | Buy mainspring |
| GR5440 | 1.80 x 0.220 (0.210) x 480 (490) x 17.0 mm | Buy mainspring |
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Seiko 4N00-5291 | SEIKO CASE | |
| Seiko 5625-7111 | SEIKO | |
| Seiko 5625-7111 | SEIKO | |
| Westclox A201 | 17 JL DSS | 11.5 |
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Similar Mainspring Listing
This mainspring is similar to the mainspring used by the following movements. A similar mainspring differs slightly in one or more dimensions but may possibly still work as a replacement. When values differ the exact value is shown brackets for reference:
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