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Mainspring
For Longines 2820
1.20 x 0.100 x 320 x 9.0 mm
GR Reference #: GR2921
Height (H): 1.2mm
Thickness (T): 0.1mm
Total Length (TL): 320mm
Barrel Diameter (BD): 9mm
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 C859025 | BULOVA CASE REFERENCE | |
| Citizen 0341 | 13 | |
| Citizen 4-075161 | CITIZEN CASE | |
| Citizen 4-262522 | CITIZE CASE REFERENCE | |
| Citizen 4-293428 | CITIZEN CASE | |
| Omega 16369 | OMEGA CASE - USES CALIBER 480/481 | |
| Citizen 4-753518 | CITIZEN CASE | |
| Citizen 4-F43127 | CITIZEN CASE | |
| Citizen 4-G11009 | CITIZEN CASE | |
| Citizen 4-G12340 | CITIZEN CASE | |
| Seiko 1520-3530 | SEIKO CASE REFERENCE | |
| Citizen 4-H00656 | CITIZEN CASE | |
| Citizen 4-H01954 | CITIZEN CASE | |
| Citizen 4-H06883 | CITIZEN CASE | |
| Seiko 7N00-5029 | SEIKO CASE REFERENCE | |
| Citizen 4-L14654 | CITIZEN CASE | |
| Citizen 4-R02505 | CITIZEN CASE | |
| Citizen 4-S011833 | ||
| Citizen 4-S011833 | ||
| Citizen 4-S10948 | CITIZE CASE REFERENCE | |
| Citizen 4-S38184 | CITIZEN CASE | |
| Girard Perregaux 30 NEW | DIRECT CENTER SECOND | 11.5 |
| Citizen 4-Y51676 | CITIZEN CASE | |
| Citizen 4002 | 18000 BPH | 13 |
| Citizen 82-3988 | CITIZE CASE REFERENCE | |
| Citizen AF-2960 | CITIZE CASE REFERENCE | |
| Citizen 4002 | 18000 BPH | 13 |
| Felsa 4025 | CALENDAR W/O SEC | 7.75 |
| Tissot 2352 | 21600 BPH-DSS-17 JL | 7.75 |
| Fleurier 191 | 10.5 | |
| Forster 2091 | REGULAR AND SWEEP SECOND-ROCKING | 8.75 x 11 |
| Girard Perregaux 30 NEW | DIRECT CENTER SECOND | 11.5 |
| International Durowe S 360 001 | 8.75 | |
| Citizen 4-293428 | CITIZEN CASE | |
| Omega 16369 | OMEGA CASE - USES CALIBER 480/481 | |
| Omega 165.002 | OMEGA CASE | |
| Citizen 82-3988 | CITIZE CASE REFERENCE | |
| Omega 2702 | OMEGA CASE USES CALIBER 240 | |
| Omega 5016 | OMEGA CASE USES CALIBER 455 | |
| Pulsar V671A | ||
| Pulsar Y716A | QUARTZ DIGITAL | |
| Seiko 8241A | QUARTZ-ANALOG | |
| Puw 2590M | ||
| Seiko V532-8C80 | SEIKO CASE 951201 | |
| Remex 580A | 11.5 | |
| Seiko 1040-0040 | SEIKO CASE REFERENCE | |
| Seiko 1N00-X231 | SEIKO CASE REFERENCE | |
| Seiko 1520-3530 | SEIKO CASE REFERENCE | |
| Seiko 1N00-X231 | SEIKO CASE REFERENCE | |
| Omega 2702 | OMEGA CASE USES CALIBER 240 | |
| Seiko 2100-7510 | SEIKO CASE REFERENCE | |
| Seiko 5420-5470 | SEIKO CASE REFERENCE | |
| Seiko 5Y22-8A61 | ||
| Tissot 2352 | 21600 BPH-DSS-17 JL | 7.75 |
| Seiko 6105-8093 | SEIKO | |
| Tissot 2352 | 21600 BPH-DSS-17 JL | 7.75 |
| Seiko 7N00-5029 | SEIKO CASE REFERENCE | |
| Seiko 8223-507A | SEIKO CASE REFERENCE | |
| Seiko 8241A | QUARTZ-ANALOG | |
| Seiko V506-6A10 | SEIKO CASE 951201 | |
| Seiko V532-8C80 | SEIKO CASE 951201 | |
| Tissot 2352 | 21600 BPH-DSS-17 JL | 7.75 |
| Vacheron Constantin K1050/8 |
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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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