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Mainspring
For Hamilton 21
1.30 x 0.100 x 290 x 9.0 mm
Height (H): 1.3mm
Thickness (T): 0.1mm
Total Length (TL): 290mm
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 |
|---|---|---|
| Seiko Y450-4040 | PULSAR CASE REFERENCE | |
| A. Schild 530.201 | 21,600 BPH-DSS-ADJ-STUD HOLDER | 10.5 |
| Bulova C3342 | BULOVA CASE REFERENCE | |
| Omega 18965 | OMEGA CASE USES CALIBER 440 | |
| Bulova C876599 | ||
| Bulova CY3345 | BULOVA CASE REFERENCE | |
| Bulova G3098 | BULOVA CASE REFERENCE | |
| Citizen 2520A | 21,600 BPH | 11.5 |
| Citizen 4-036212 | CITIZEN CASE | |
| Citizen 4-089090 | CITIZEN CASE | |
| Citizen 4-096673 | CITIZE CASE REFERENCE | |
| Citizen 4-107357 | CITIZEN CASE | |
| Citizen 4-223853 | CITIZEN CASE | |
| Citizen 4-107357 | CITIZEN CASE | |
| Citizen 4-229380 | CITIZEN CASE | |
| Citizen 4-241142 | CITIZEN CASE | |
| Citizen 4-322525 | CITIZEN CASE | |
| Citizen 4-036212 | CITIZEN CASE | |
| Citizen 4-910206 | CITIZEN CASE | |
| Citizen 4-107357 | CITIZEN CASE | |
| Citizen 4-E63174 | CITIZE CASE REFERENCE | |
| Citizen 4-K12029 | CITIZEN CASE REFERENCE | |
| Citizen 4-Q00036 | CITIZEN CASE | |
| Citizen 4-096673 | CITIZE CASE REFERENCE | |
| Citizen 4-Y62457 | CITIZEN CASE | |
| Citizen 44-1121 | CITIZE CASE REFERENCE | |
| A. Schild 530.201 | 21,600 BPH-DSS-ADJ-STUD HOLDER | 10.5 |
| Gruen LANG 1241 | LANGENDORF 1241 | |
| Seiko 2G28-6030 | SEIKO CASE REFERENCE | |
| Omega 18965 | OMEGA CASE USES CALIBER 440 | |
| Omega 511.195 | OMEGA CASE USES CALIBER 620 | |
| Omega 7629 | OMEGA CASE USES CALIBER 650 | |
| PH 1873 | QUARTZ-DSS | 8.75 |
| Bulova C3342 | BULOVA CASE REFERENCE | |
| Rolex 6284 | ROLEX CASE REFERENCE | |
| Seiko 2G28-6030 | SEIKO CASE REFERENCE | |
| Seiko 2P20-576B | SEIKO CASE REFERENCE | |
| Seiko Y563-8229 | PULSAR CASE REFERENCE | |
| Seiko 5Y39-6A20 | SEIKO CASE REFERENCE | |
| Seiko 7431-5380 | SEIKO CASE REFERENCE | |
| Seiko 7731-5220 | SEIKO CASE REFERENCE | |
| Seiko 7N42-8270 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 7N82-0380 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 9029A | QUARTZ ANALOG CALD | 10.5 |
| Seiko 9300-5540 | SEIKO CASE REFERENCE | |
| Seiko A354-400A | SEIKO CASE REFERENCE | |
| Seiko S025A | QUARTZ DIGITAL SOLAR BATTERY | |
| Seiko V001-5030 | PULSAR CASE REFERENCE | |
| Seiko V102-6079 | PULSAR CASE REFERENCE | |
| Seiko V33J-6B30 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko Y450-4040 | PULSAR CASE REFERENCE | |
| Seiko Y563-8229 | PULSAR CASE REFERENCE |
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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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