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Mainspring
For Longines 645.1
1.55 x 0.110 x 11.0 mm
Height (H): 1.55mm
Thickness (T): 0.11mm
Barrel Diameter (BD): 11mm
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:
| GR Reference # | Mainspring | Buy |
|---|---|---|
| GR4154X | 1.50 (1.55) x 0.110 x 400 x 11.0 mm | Buy mainspring |
| GR4385X | 1.55 x 0.100 (0.110) x 400 x 10.5 (11.0) mm | Buy mainspring |
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Seiko H357-5250 | SEIKO CASE REFERENCE | |
| Alpina 431 | 8.75 x 9.75 | |
| Bulova 3383 | BULOVA CASE REFERENCE | |
| Bulova 869580 | ||
| Bulova C884026 | BULOVA CASE REFERENCE | |
| Citizen 4-340400 | CITIZEN CASE | |
| Citizen 4-831225 | CITIZE CASE REFERENCE | |
| Citizen 4-L02419 | CITIZEN CASE | |
| Citizen 45-7060 | CITIZE CASE REFERENCE | |
| Citizen 64-3351 | CITIZE CASE REFERENCE | |
| Citizen 81-3338 | CITIZE CASE REFERENCE | |
| Citizen EA1452 | CITIZE CASE REFERENCE | |
| Fontainemelon 45-46-47 17L | HT 450 | 17 |
| Hamilton 8926 | HAMILT CASE REFERENCE | |
| Mido 3903 | MIDO CASE REFERENCE | |
| Omega 191.0065 | OMEGA CASE - USES CALIBER 1330 | |
| Omega 365.0802 | OMEGA CASE USES CALIBER 552 | |
| Omega 598.005 | OMEGA CASE USES CALIBER 1427 | |
| Seiko 1F20-6A99 | SEIKO CASE 951201 | |
| Seiko 2906-0031 | SEIKO CASE REFERENCE | |
| Seiko 5Y32-5130 | ||
| Seiko H357-5250 | SEIKO CASE REFERENCE | |
| Seiko H357-7159 | SEIKO CASE REFERENCE | |
| Timex 4371213584 | TIMEX CASE REFERENCE | |
| Valjoux 70 | CHRO HR REC BM 65 | 16 |
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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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