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Mainspring
For IWC 442
1.45 x 0.120 x 368 x 10.5 mm
Height (H): 1.45mm
Thickness (T): 0.12mm
Total Length (TL): 368mm
Barrel Diameter (BD): 10.5mm
End Type: Auto
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 2562.20 | QUARTZ-ANALOG-DSS-CALD | 11.5 |
| Bulova C317 | BULOVA CASE REFERENCE | |
| Bulova C876765 | BULOVA CASE REFERENCE | |
| Seiko 2F50-5789 | SEIKO CASE REFERENCE | |
| Bulova T3377 | ACCUTR CASE REFERENCE | |
| Citizen 4-105753 | CITIZEN CASE | |
| Citizen 4-502767 | CITIZE CASE REFERENCE | |
| Citizen 4-955650 | CITIZEN CASE | |
| Citizen 4-E64065 | CITIZEN CASE | |
| Citizen 4-E66882 | CITIZEN CASE | |
| Citizen 4-H09637 | CITIZEN CASE | |
| Standard 481A | ||
| Citizen 4-S60481 | CITIZEN CASE. | |
| Citizen 7103B | QUARTZ-ANALOG-DSS-DAY-DATE | 11.5 |
| Seiko V652-5020 | PULSAR CASE REFERENCE | |
| Eterna 1450 | DSS CALENDAR W/CORRECTOR | 13 |
| Seiko 2C20-0030 | SEIKO CASE REFERENCE | |
| Fontainemelon 1 (3 3/4 L) | ||
| Bulova C876765 | BULOVA CASE REFERENCE | |
| Kienzle 54/0B | 12 | |
| Omega W22016 | OMEGA CASE REFERENCE | |
| Seiko 2C20-0030 | SEIKO CASE REFERENCE | |
| Seiko 2F50-5349 | SEIKO CASE REFERENCE | |
| Seiko 2F50-5789 | SEIKO CASE REFERENCE | |
| Seiko 7T32-6K10 | ANALOG QUARTZ | |
| Seiko V652-5020 | PULSAR CASE REFERENCE | |
| Standard 481A | ||
| Wyler WQ213 | AUTO CAL INCAFLEX - ETA 2377 | 13 |
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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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