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Mainspring
For Unitas 166
1.15 x 0.120 x 320 x 10.5 mm
Height (H): 1.15mm
Thickness (T): 0.12mm
Total Length (TL): 320mm
Barrel Diameter (BD): 10.5mm
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 |
|---|---|---|
| Baume & Mercier PIAGET 6P1 | PIAGET 6P1 | 600 |
| Seiko 6306-8009 | SEIKO CASE REFERENCE | |
| Bulova C4149 | BULOVA CASE REFERENCE | |
| Bulova C845035 | BULOVA CASE REFERENCE | |
| Bulova C858016 | BULOVA CASE REFERENCE | |
| Bulova Q152 | CARAVELLE 1021.60 | |
| Seiko V732-0D90 | SEIKO CASE 971129 | |
| Bulova V975222 | ||
| Citizen 07-1811 | CITIZE CASE REFERENCE | |
| Elgin 244 | ||
| Citizen 4-180062 | CITIZEN CASE | |
| Rolex 18028 | ROLEX CASE REFERENCE | |
| Citizen 4-19233 | ||
| Citizen 4-342402 | CITIZEN CASE | |
| Citizen 4-680103 | CITIZEN CASE | |
| Citizen 4-721004 | CITIZEN CASE | |
| Citizen 4-781422 | CITIZE CASE REFERENCE | |
| Citizen 4-954904 | CITIZEN CASE | |
| Citizen 4-E61163 | CITIZEN CASE | |
| Citizen 4-F45651 | CITIZEN CASE | |
| Baume & Mercier PIAGET 6P1 | PIAGET 6P1 | 600 |
| Citizen 4-L06988 | CITIZEN CASE | |
| Citizen 4-R06802 | CITIZEN CASE | |
| Citizen 4-R06802 | CITIZEN CASE | |
| Citizen 4-S00281 | CITIZEN CASE. | |
| Citizen 4-S29614 | CITIZE CASE REFERENCE | |
| Citizen 72-0038 | CITIZE CASE REFERENCE | |
| Seiko 5856-7030 | SEIKO CASE REFERENCE | |
| Citizen 88-5924 | CITIZE CASE REFERENCE | |
| Citizen AY-2044 | CITIZE CASE REFERENCE | |
| Elgin 244 | ||
| Seiko 7F38-6210 | SEIKO CASE REFERENCE | |
| Elgin 72 | ||
| ETA 767 | 6.75 x 11 | |
| Eterna 1253U | AUTOMATIC-DIRECT CENTER SECOND | 13 |
| Favre Leuba 275 | WITHOUT SECOND DOUBLE BARREL | 11.5 |
| Langendorf 864 | SWEEP SECOND | 8.75 |
| Heuer HG1005 | ||
| IWC 421 | 19,800 BPH W/O SEC INCA | 10 |
| Citizen 4-721004 | CITIZEN CASE | |
| Jaeger Lecoultre 834 | BPH 17JL AUTO ELASTOR | 6.75 |
| Jubilee 1202 | 12.5 | |
| Jaeger Lecoultre 834 | BPH 17JL AUTO ELASTOR | 6.75 |
| Langendorf 864 | SWEEP SECOND | 8.75 |
| Lemania 7540 | 8 DAY-CHRONOGRAPH-CLOCK-A13A | 19 |
| Seiko 5L15A | QUARTZ ANALOG SWEEP SECOND CALENDAR | 8.5 x 9.25 |
| Longines 22LS | ||
| Seiko 5Y23-6A19 | SEIKO CASE REFERENCE | |
| Marvin 700 | 18000 BPH | 13 |
| Omega 198.111 | OMEGA CASE USES CALIBER 1346 | |
| Seiko 1F20-5C90 | SEIKO CASE | |
| Omega 2881 | OMEGA CASE USES CALIBER 244 | |
| Omega 6741 | OMEGA CASE USES CALIBER 620 | |
| Citizen 4-R06802 | CITIZEN CASE | |
| Precision 102 | ||
| Bulova C858016 | BULOVA CASE REFERENCE | |
| Pulsar AL42 | ||
| Citizen 72-0038 | CITIZE CASE REFERENCE | |
| Pulsar AL44A | QUARTZ ANALOG DAY/DATE SS | |
| Rolex 18028 | ROLEX CASE REFERENCE | |
| Seiko 1600-5420 | SEIKO CASE REFERENCE | |
| Seiko 1800-0320 | SEIKO CASE REFERENCE | |
| Seiko 1800-0480 | SEIKO CASE REFERENCE | |
| Seiko 1F20-5C90 | SEIKO CASE | |
| Seiko 2Y00-0180 | SEIKO CASE REFERENCE | |
| Pulsar AL44A | QUARTZ ANALOG DAY/DATE SS | |
| Seiko 4S77-0A30 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 5856-7030 | SEIKO CASE REFERENCE | |
| Seiko 5L15A | QUARTZ ANALOG SWEEP SECOND CALENDAR | 8.5 x 9.25 |
| Seiko 5M43-0F19 | ||
| Seiko 5Y23-6A19 | SEIKO CASE REFERENCE | |
| Rolex 18028 | ROLEX CASE REFERENCE | |
| Seiko 5Y39-7110 | SEIKO CASE REFERENCE | |
| Seiko 6306-8009 | SEIKO CASE REFERENCE | |
| Seiko 7009-3110 | SEIKO CASE REFERENCE | |
| Seiko 7771-5040 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 7F38-6210 | SEIKO CASE REFERENCE | |
| Seiko 9581-6000 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko G139-4A0A | SEIKO CASE 951201 | |
| Seiko V322-6200 | SEIKO CASE REFERENCE | |
| Seiko V732-0D90 | SEIKO CASE 971129 | |
| Seiko Y101-5470 | SEIKO CASE REFERENCE | |
| Seiko Y651-504A | PULSAR CASE REFERENCE | |
| Zenith 1510 | WITHOUT SECOND | 6.75 |
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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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