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Mainspring
For Patek Philippe 21
1.70 x 0.120 x 360 x 10.5 mm
GR Reference #: GR4937
Height (H): 1.7mm
Thickness (T): 0.12mm
Total Length (TL): 360mm
Barrel Diameter (BD): 10.5mm
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 |
|---|---|---|
| Citizen 4-Y65120 | CITIZEN CASE | |
| Fontainemelon 61 CAL | BRITIX WATCH CO LONGNAU | 6.75 x 8 |
| Hermann Becker 111 | DIRECT CENTER SECOND | 11.5 |
| Hermann Becker 111 | DIRECT CENTER SECOND | 11.5 |
| Omega 595.023 | OMEGA CASE USES CALIBER 1387 | |
| Rolex 6831-8 | ROLEX CASE REFERENCE | |
| Seiko 9562-6019 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko S600-5030 | SEIKO CASE REFERENCE COSERVE 2003/2004 |
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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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