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Mainspring
For Unitas 501
1.40 x 0.105 x 300 x 9.5 mm
Height (H): 1.4mm
Thickness (T): 0.105mm
Total Length (TL): 300mm
Barrel Diameter (BD): 9.5mm
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 1238 | ROCKING BAR WINDING SMALL SECOND | 10.5 |
| Citizen 39-1387 | CITIZE CASE REFERENCE | |
| Longines 756 | ELECTRONIC-QUARTZ RESONATOR-SWEEP | 13 |
| Citizen 4-040830 | CITIZEN CASE | |
| Citizen 4-S001285 | ||
| Citizen 4-407628 | CITIZEN CASE | |
| Citizen 4-651103 | CITIZEN CASE | |
| Citizen 4-661419 | CITIZEN CASE | |
| Citizen 4-880021 | CITIZEN CASE | |
| Citizen BZ-0459 | CITIZE CASE REFERENCE | |
| Citizen 4-893433 | CITIZEN CASE | |
| Citizen 4-H05909 | CITIZEN CASE | |
| Citizen 4-S001285 | ||
| Citizen 39-1387 | CITIZE CASE REFERENCE | |
| Citizen 4-Y62732 | CITIZEN CASE | |
| Seiko 7F38-5239 | SEIKO CASE 08/12/98 | |
| Citizen 4-Y66100 | CITIZEN CASE | |
| Citizen 99-1031 | CITIZE CASE REFERENCE | |
| Seiko 8420-0150 | SEIKO CASE REFERENCE | |
| Citizen BZ-0459 | CITIZE CASE REFERENCE | |
| Seiko 8420-0150 | SEIKO CASE REFERENCE | |
| Citizen QD0022 | CITIZE CASE REFERENCE | |
| Ebosa 46 | PIN LEVER-CLOCK STEM WIND | 18 |
| Hamilton 742 | QUARTZ ANALOG DSS DAY-DATE | 11.5 |
| IWC 1001 | 25,200 BPH DSS AUTO CAL 27JLS | |
| Seiko Y121-X092 | LORUS | |
| Junghans 687.13 | 11.5 | |
| Seiko A904-6000 | SEIKO CASE REFERENCE | |
| Longines 756 | ELECTRONIC-QUARTZ RESONATOR-SWEEP | 13 |
| Omega 14146 | OMEGA CASE - USES CALIBER 480 | |
| Seiko 1600-5560 | SEIKO CASE REFERENCE | |
| Seiko 2320-5320 | SEIKO CASE REFERENCE | |
| Seiko 2620-5190 | SEIKO CASE REFERENCE | |
| Seiko 2L10-0020 | SEIKO CASE REFERENCE | |
| Seiko 5421-5210 | SEIKO CASE REFERENCE | |
| Seiko 5S21-604A | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 5Y31-5170 | SEIKO CASE REFERENCE | |
| Seiko 7019-5009 | SEIKO | |
| Seiko 7019-5430 | SEIKO CASE REFERENCE | |
| Seiko 7625-8011 | SEIKO | |
| Seiko 7F38-5239 | SEIKO CASE 08/12/98 | |
| Seiko 7N35-6090 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 8420-0150 | SEIKO CASE REFERENCE | |
| Seiko A904-6000 | SEIKO CASE REFERENCE | |
| Seiko V400-5270 | PULSAR CASE REFERENCE | |
| Seiko Y121-X092 | LORUS | |
| Seiko Y148-7030 | LORUS CASE REFERENCE | |
| Tissot 2045 | QUARTZ-ANALOG/LCD ELECTRIC | 11.5 x 13.75 |
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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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