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Mainspring
For Hamilton 821
1.30 x 0.140 x 380 x 12.0 mm
GR Reference #: GR3358
Height (H): 1.3mm
Thickness (T): 0.14mm
Total Length (TL): 380mm
Barrel Diameter (BD): 12mm
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 |
|---|---|---|
| Bulova C3021 | CARAVE CASE REFERENCE | |
| Bulova C867349 | BULOVA CASE REFERENCE | |
| Bulova C867734 | BULOVA CASE REFERENCE | |
| Citizen 32-8936 | CITIZE CASE REFERENCE | |
| Citizen 34-7221 | CITIZE CASE REFERENCE | |
| Citizen 4-163532 | CITIZEN CASE | |
| Seiko 6105-5467 | SEIKO | |
| Citizen 4-406290 | CITIZEN CASE | |
| Seiko 1N00-0J20 | SEIKO CASE 951201 | |
| Citizen 4-407792 | CITIZEN CASE | |
| Citizen 4-451384 | CITIZEN CASE | |
| Citizen 4-652886 | CITIZE CASE REFERENCE | |
| Citizen 4-F42198 | CITIZEN CASE | |
| Citizen 4-K09486 | CITIZEN CASE | |
| Citizen 4-S02112 | CITIZEN CASE | |
| Citizen 4-S03640 | CITIZE CASE REFERENCE | |
| Citizen AC-5155 | CITIZE CASE REFERENCE | |
| Dugena DUROWE 322 | DUROWE 322 | 626 |
| Heuer 11900 | 9.25 | |
| Heuer 520-570 | SPLIT SECOND TIMER | 19 |
| IWC 52T 18 | 18 | |
| Longines 280 | DSS-INC | 11.75 |
| Omega 2307 | OMEGA CASE USES CALIBER 300/310 | |
| Omega 3793 | OMEGA CASE USES CALIBER 300 | |
| Peseux 71 | 8.25 | |
| Roamer 344 | COV WDG | 10.5 |
| Seiko 1000-8220 | SEIKO CASE REFERENCE | |
| Seiko 1F20-5G69 | SEIKO | |
| Seiko 1N00-0J20 | SEIKO CASE 951201 | |
| Seiko 2C20-6020 | SEIKO CASE REFERENCE | |
| Seiko 2F50-0010 | SEIKO CASE REFERENCE | |
| Seiko 3Y09-0A50 | SEIKO CASE REFERENCE | |
| Seiko 5626-7110 | SEIKO CASE REFERENCE | |
| Seiko 6105-5467 | SEIKO | |
| Seiko 7320-5500 | SEIKO CASE. | |
| Seiko 7903-5000 | SEIKO CASE REFERENCE | |
| Seiko 7N00-F099 | SEIKO CASE | |
| Seiko 7T32-7E70 | SEIKO CASE | |
| Seiko 9020-5400 | SEIKO CASE REFERENCE | |
| Seiko Y643-0360 | PULSAR CASE REFERENCE | |
| Tissot 725 | 21600 BPH-INCA-OFFSET CENTER WHL ADJ STUD HOLD | 6 |
| Tudor 1410 | 18000 BPH-KIF A AUTOMATIC-SWEEP SECOND | 9.25 |
| Unitas 33 | LEFT SETTING PARTS HT 4.15 | 18.5 |
| Wittnauer CAS1779 | WITTNA CASE REFERENCE | |
| Wyler WI228 | INCAFLEX - ETA 2550 | 7.75 |
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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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