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Mainspring
For Unitas 6503
1.60 x 0.160 x 15.0 mm
Height (H): 1.6mm
Thickness (T): 0.16mm
Barrel Diameter (BD): 15mm
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:
| GR Reference # | Mainspring |
|---|---|
| GR4640 | 1.60 x 0.160 x 540 x 15.0 mm |
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Omega 166.0017 | OMEGA CASE - USES CALIBER 562 | |
| Bulova C890737 | BULOVA CASE | |
| Citizen 30-2244 | CITIZE CASE REFERENCE | |
| Citizen 32-1559 | CITIZE CASE REFERENCE | |
| Citizen 4-S21316 | CITIZEN CASE. | |
| Citizen 5230 | 18,000 BPH | 12.5 |
| Citizen EB-5122 | CITIZEN CASE. | |
| Seiko V803-0100 | ||
| Omega 166.0017 | OMEGA CASE - USES CALIBER 562 | |
| Ronda 2002 | PIN LEVER-SMALL SECOND | 10.5 |
| Seiko 6119-7150 | SEIKO CASE REFERENCE | |
| Seiko 6619A | 21 JL AUTO-DSS. CAL (DAY DATE) | 12.25 |
| Seiko 7752-5009 | SEIKO CASE REFERENCE | |
| Seiko 7T32-7A8C | SEIKO CASE 951201 | |
| Seiko V803-0100 |
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Similar Mainspring Listing
This mainspring is similar to that used by the following movements. When values differ the exact value is shown brackets for reference:
| Movement | Mainspring | GR Reference # |
|---|---|---|
| Buser 41 | 1.60 x 0.170 (0.160) x 14.0 (15.0) mm |
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