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Mainspring
For IWC 66 19
1.60 x 0.110 x 260 x 9.0 mm
Height (H): 1.6mm
Thickness (T): 0.11mm
Total Length (TL): 260mm
Barrel Diameter (BD): 9mm
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 B728 | CAL# 2300 | |
| Citizen 4-690737K | CITIZEN CASE | |
| Citizen 4-831594 | CITIZEN CASE | |
| Eterna 1057 | 5.25 x 8.5 | |
| Citizen 4-832094 | CITIZEN CASE | |
| Citizen 4-953428 | CITIZEN CASE | |
| Citizen 4-L06554 | CITIZEN CASE | |
| Elgin 705 | ||
| Eterna 1057 | 5.25 x 8.5 | |
| Longines 8800 | LONGIN CASE REFERENCE | |
| Omega 566.016 | OMEGA CASE REFERENCE | |
| Eterna 1057 | 5.25 x 8.5 | |
| Seiko 2F50-5090 | SEIKO CASE REFERENCE | |
| Seiko 7430-5610 | SEIKO CASE REFERENCE | |
| Seiko V233-557A | ||
| Seiko V533-7A00 | LORUS CASE REFERENCE | |
| Seiko W309-5054 | PULASR | |
| Seiko W921-413A | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko Y480-1870 | SEIKO | |
| Seiko Y580-5220 | SEIKO CASE REFERENCE | |
| Vulcain 100 | 21600 BPH | 6.75 |
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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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