Watch Database
Mainspring
For Cyma Tavannes 921
1.25 x 0.075 x 220 x 7.5 mm
Height (H): 1.25mm
Thickness (T): 0.075mm
Total Length (TL): 220mm
Barrel Diameter (BD): 7.5mm
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:
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Bulova 6CAC | MECH | 6.75 x 8 |
| Citizen 4-952138 | CITIZEN CASE | |
| Citizen 4-L08581 | CITIZEN CASE | |
| Citizen 4-S04361 | CITIZEN CASE | |
| Hamilton 49 | 8.75 | |
| Nivada 1801 | DIRECT CENTER SECOND-VIBROCHOC | 10.5 |
| Omega 211.042 | OMEGA CASE USES CALIBER 540 | |
| Seiko 1N00-6B40 | SEIKO CASE | |
| Seiko 8223-704A | SEIKO CASE REFERENCE | |
| Unitas 411 | RIGHT AND LEFT SETTING-POSITIVE AND | 17 |
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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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