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Mainspring
For Unitas 445
1.35 x 0.145 x 380 x 12.0 mm
GR Reference #: GR3530
Height (H): 1.35mm
Thickness (T): 0.145mm
Total Length (TL): 380mm
Barrel Diameter (BD): 12mm
End Type: Manual
To look for similar mainsprings that exactly match a specific dimension, select it from the links above.
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| A. Schild 793 | 18 | |
| Belstaff 11P4H8 | 17JL DSS CALENDAR = SAV P75 | 11.5 |
| Bulova 3406 | CARAVELLE CASE REFERENCE | |
| Bulova B740 | BULOVA CASE REFERENCE | |
| Bulova C885009 | ||
| Chaika 1601A | 17 JL SHOCK 3 ARM BALANCE STUDHOLDER | 7 |
| Citizen 4-097441 | CITIZEN CASE | |
| Citizen 4-E66335 | CITIZEN CASE | |
| Citizen 4-151534 | CITIZEN CASE | |
| Citizen 4-226721 | CITIZEN CASE | |
| Citizen 4-230019 | CITIZEN CASE | |
| ISA 307/120 | SMALL SEC. WITH DATE | 10.5 |
| Citizen 4-272064 | CITIZEN CASE | |
| Citizen 4-313216 | CITIZE CASE REFERENCE | |
| Seiko V247-0160 | PULSAR CASE REFERENCE | |
| Citizen 4-399706 | CITIZEN CASE | |
| Citizen 4-470435 | CITIZEN CASE | |
| Citizen 4-664566 | CITIZEN CASE | |
| Citizen 4-E66335 | CITIZEN CASE | |
| Citizen 4-G03251 | CITIZEN CASE | |
| Seiko Y960-6059 | PULSAR CASE REFERENCE | |
| Citizen 4-K03062 | CITIZEN CASE | |
| Belstaff 11P4H8 | 17JL DSS CALENDAR = SAV P75 | 11.5 |
| Citizen 4-S11201 | CITIZEN CASE | |
| Citizen 4-Y66096 | CITIZEN CASE | |
| Citizen 48-4083 | CITIZE CASE REFERENCE | |
| Citizen 60-0679 | CITIZE CASE REFERENCE | |
| Seiko V701-7A90 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| ETA 2628A | ||
| ETA 784 | 7.75 x 11 | |
| Seiko V742-5A70 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Girard Perregaux 21.29 | 11.5 | |
| ISA 307/120 | SMALL SEC. WITH DATE | 10.5 |
| Junghans 699.72 | JUN 99 & 99/2 | 6.75 x 8.5 |
| Longines 6405-2 | LONGINES CASE | |
| Movado 1427 | 19800 BPH SS AUTO | |
| Omega 16123 | OMEGA CASE - USES CALIBER 210/240 | |
| Omega 18349 | OMEGA CASE USES CALIBER 440 | |
| Junghans 699.72 | JUN 99 & 99/2 | 6.75 x 8.5 |
| Orient 6DX1 | 5.5 x 6.75 | |
| Seiko 1100-3489 | SEIKO CASE REFERENCE | |
| Seiko 1221-5640 | SEIKO CASE REFERENCE | |
| Seiko 1320-5960 | SEIKO CASE REFERENCE | |
| Bulova C885009 | ||
| Seiko 1400-8090 | SEIKO CASE REFERENCE | |
| Seiko 1520-3370 | SEIKO CASE REFERENCE | |
| Seiko 4300-710J | SEIKO | |
| Seiko 4333-5010 | SEIKO CASE REFERENCE | |
| Seiko 5E31-6040 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Wyler WH247 | ETA 2789 | |
| Seiko 5Y32-5060 | SEIKO CASE REFERENCE | |
| Seiko 5Y39-5B31 | ||
| Junghans 699.72 | JUN 99 & 99/2 | 6.75 x 8.5 |
| Seiko 7009-8660 | SEIKO CASE REFERENCE | |
| Seiko 7750-5109 | SEIKO CASE REFERENCE | |
| Seiko 7N32-5A10 | SEIKO CASE 971129 | |
| Orient 6DX1 | 5.5 x 6.75 | |
| Seiko 9570-6090 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko V247-0160 | PULSAR CASE REFERENCE | |
| Seiko V811-0170 | LORUS CASE REFERENCE | |
| Seiko V501-6P70 | SEIKO CASE 971129 | |
| Seiko V657-600A | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko V701-7A90 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko V742-5A70 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko V810-5160 | SEIKO CASE REFERENCE | |
| Seiko V811-0170 | LORUS CASE REFERENCE | |
| Seiko V811-0530 | LORUS CASE REFERENCE | |
| Seiko V811-X035 | MODEL# PPH479X | |
| Seiko Y147-6010 | PULSAR CASE REFERENCE | |
| Seiko Y590-0800 | USE Y590-5529 | |
| Seiko Y960-6059 | PULSAR CASE REFERENCE | |
| Tudor PR34 | 11.5 | |
| Unitas 152 | 10.5 | |
| Wyler WH247 | ETA 2789 |
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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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