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Mainspring
For Unitas 6445
1.40 x 0.070 x 210 x 6.5 mm
Height (H): 1.4mm
Thickness (T): 0.07mm
Total Length (TL): 210mm
Barrel Diameter (BD): 6.5mm
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 V145-0D10 | ANALOG QUARTZ | |
| Bulova C838005 | ||
| Citizen 4-955340 | CITIZEN CASE | |
| Bulova C875027 | BULOVA CASE | |
| Citizen 4-205421 | CITIZEN CASE | |
| Citizen 4-265611 | CITIZE CASE REFERENCE | |
| Citizen 4-690095 | CITIZEN CASE | |
| Seiko 1N01-0A50 | SEIKO CASE REFERENCE | |
| Citizen 4-955340 | CITIZEN CASE | |
| Citizen 44-9679 | CITIZE CASE REFERENCE | |
| Cyma Tavannes 454 | 9.75 | |
| Citizen 54-8057 | CITIZE CASE REFERENCE | |
| Omega 2700 | OMEGA CASE USES CALIBER 352 | |
| Citizen 71-2795 | CITIZE CASE REFERENCE | |
| Cyma Tavannes 454 | 9.75 | |
| Cyma Tavannes 791 | 17 | |
| ETA 2400 | 10.5 | |
| Seiko Y816-4060 | SEIKO CASE 08/12/98 | |
| ETA 530 | ETA 630 | 9.75 |
| Favre Leuba 257 | DSS CALENDAR | 11.5 |
| Kienzle 46/15 | 19.5 | |
| Omega 151.7319 | OMEGA CASE USES CALIBER | |
| Omega 17111 | OMEGA USES CALIBER 245 | |
| Seiko A259-5060 | SEIKO CASE REFERENCE | |
| Omega 2700 | OMEGA CASE USES CALIBER 352 | |
| Omega 568.0008 | OMEGA CASE USES CALIBER 682 | |
| Omega 796.817 | OMEGA CASE USES CALIBER 1360 | |
| Seiko 0843-8029 | SEIKO CASE REFERENCE | |
| Seiko 0923-7000 | SEIKO CASE REFERENCE | |
| Seiko 1230-5259 | SEIKO CASE REFERENCE | |
| Omega 568.0008 | OMEGA CASE USES CALIBER 682 | |
| Seiko 1N01-0A50 | SEIKO CASE REFERENCE | |
| Seiko 2949-0150 | SEIKO CASE REFERENCE | |
| Seiko 4100-6009 | SEIKO | |
| Seiko 4206-0090 | SEIKO CASE REFERENCE | |
| Seiko 5Y23-7A20 | ||
| Seiko 6139-6019 | SEIKO | |
| Seiko 7N29-6B00 | SEIKO CASE 08/12/98 | |
| Seiko Y816-4060 | SEIKO CASE 08/12/98 | |
| Seiko 7N42-6100 | SEIKO CASE 971201 | |
| Seiko 9021-5240 | SEIKO CASE REFERENCE | |
| Seiko A259-5060 | SEIKO CASE REFERENCE | |
| Seiko V145-0D10 | ANALOG QUARTZ | |
| Seiko V821-5120 | SEIKO CASE 971201 | |
| Seiko W192-4020 | SEIKO CASE 08/12/98 | |
| Seiko Y147-0010 | PULSAR CASE REFERENCE | |
| Seiko Y520-0A20 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko Y816-4060 | SEIKO CASE 08/12/98 | |
| Tissot 2382 | 21600 BPH DSS 21JL AUTO CAL | 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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