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Mainspring
For Unitas 6437
1.30 x 0.080 x 245 x 7.5 mm
Height (H): 1.3mm
Thickness (T): 0.08mm
Total Length (TL): 245mm
Barrel Diameter (BD): 7.5mm
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 |
|---|---|---|
| A. Schild 1740 | 11.5 | |
| Lux 42 | 8 DAY ALARM CLOCK-STEM WIND | 22 |
| A. Schild 2074 | 21,600 BPH-DSS-CAL-DAY-DATE-W/CORR | 11.5 |
| Bulova 1281.50 | ||
| Bulova C4038W | BULOVA CASE REFERENCE | |
| Bulova C862043 | CARAVELLE CASE REFERENCE | |
| Bulova C876639 | ||
| Bulova C877037 | BULOVA CASE REFERENCE | |
| Bulova N117 | BULOVA 1133.10 | |
| Citizen 31-0051 | CITIZE CASE REFERENCE | |
| Citizen 38-7185 | CITIZE CASE REFERENCE | |
| Citizen 4-287819 | CITIZEN CASE | |
| Citizen 4-326091 | CITIZE CASE REFERENCE | |
| Citizen 4-470290 | CITIZEN CASE | |
| Citizen 4-722264 | CITIZEN CASE | |
| Citizen 4-915046 | CITIZE CASE REFERENCE | |
| Seiko V701-2H20 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Citizen 4-941764 | CITIZEN CASE | |
| Citizen 4-952553 | CITIZEN CASE | |
| Citizen 4-C50472 | CITIZEN CASE | |
| Citizen 4-F60951 | CITIZEN CASE | |
| Citizen 4-H10830 | CITIZEN CASE | |
| Citizen 4-K10476 | CITIZEN CASE | |
| Citizen 4-L00556 | CITIZEN CASE | |
| Citizen 4-L03181 | CITIZEN CASE | |
| Citizen 4-L05981 | CITIZEN CASE | |
| Citizen 4-S008476 | ||
| Citizen 4-S11740 | CITIZEN CASE | |
| Citizen 4-S38222 | CITIZEN CASE | |
| Citizen 4-Y54675 | CITIZEN CASE | |
| Citizen 46-0907 | CITIZE CASE REFERENCE | |
| Citizen 88-8559 | CITIZE CASE REFERENCE | |
| Citizen AC-6172 | CITIZE CASE REFERENCE | |
| Concord 262 OLD | 7.75 | |
| Cyma Tavannes 011K | 10.5 | |
| Lux 42 | 8 DAY ALARM CLOCK-STEM WIND | 22 |
| Movado 434 | 36,000 BPH AUTO BALL BEARING CALENDAR-CHRONO- HR REC | 13.5 |
| Omega 591.0692 | OMEGA CASE USES CALIBER 1352 | |
| Omega 7570 | OMEGA CASE USES CALIBER 484 | |
| Omega 7901 | OMEGA CASE USES CALIBER 480 | |
| Seiko 2906-090A | SEIKO CASE REFERENCE | |
| Seiko 2C20-6230 | SEIKO CASE REFERENCE | |
| Seiko 3F30-0A30 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 4300-0160 | SEIKO CASE REFERENCE | |
| Seiko 4N00-1171 | SEIKO CASE 951201 | |
| Seiko 5A74-0570 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 6030-5220 | SEIKO CASE REFERENCE | |
| Seiko V321-5230 | SEIKO CASE REFERENCE | |
| Seiko V700-6L20 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko V701-2H20 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko V732-0S91 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko Y481-6830 | PULSAR CASE REFERENCE |
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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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