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Mainspring
For Unitas 6306
1.20 x 0.120 x 350 x 11.0 mm
Height (H): 1.2mm
Thickness (T): 0.12mm
Total Length (TL): 350mm
Barrel Diameter (BD): 11mm
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 |
|---|---|---|
| Citizen 4-Y65936 | CITIZEN CASE | |
| Citizen 56-0154 | CITIZE CASE REFERENCE | |
| Citizen 4-E62844 | CITIZEN CASE | |
| Citizen 4-167601 | CITIZEN CASE | |
| Seiko 2633-7020 | SEIKO CASE REFERENCE | |
| Citizen 4-324081 | CITIZE CASE REFERENCE | |
| Citizen 4-823702 | CITIZEN CASE | |
| Seiko 6M15-9011 | SEIKO CASE | |
| Citizen 4-824687 | CITIZEN CASE | |
| Citizen 4-823702 | CITIZEN CASE | |
| Citizen 4-860268 | CITIZEN CASE | |
| Citizen 4-E62844 | CITIZEN CASE | |
| Citizen 4-F45588 | CITIZEN CASE | |
| Citizen 4-F47513 | CITIZEN CASE | |
| Citizen 4-F52126 | CITIZEN CASE | |
| Citizen 4-Y65936 | CITIZEN CASE | |
| Citizen 4-S36939 | CITIZEN CASE | |
| Citizen 4-Y65936 | CITIZEN CASE | |
| Citizen 49-3520 | CITIZE CASE REFERENCE | |
| Citizen 56-0154 | CITIZE CASE REFERENCE | |
| ETA 927.102 | QUARTZ-ANALOG-DSS | 5.5 x 6.75 |
| Citizen 4-F47513 | CITIZEN CASE | |
| Eterna 1531 | 21,600 BPH SHOCK STOP DEV DSS AUTO | 11.5 |
| Eterna 852U | 14 | |
| France Ebauches 7328 | 13 | |
| Hanhart 372 | BM 85 TIMER | |
| Mido 01147OC | 19,800 BPH AUTO SWEEP SECOND DATE | 12.5 |
| Citizen 49-3520 | CITIZE CASE REFERENCE | |
| Seiko 1140-3200 | SEIKO CASE REFERENCE | |
| Seiko 9021-5200 | SEIKO CASE REFERENCE | |
| Seiko 1F20-5F20 | OVERSEAS SEIKO | |
| Citizen 4-F45588 | CITIZEN CASE | |
| Seiko 2633-7020 | SEIKO CASE REFERENCE | |
| Seiko 2E20A | QUARTZ ANALOG - 2 JEWEL - W/OUT SECOND (REPLACEMENT VB20) | |
| Seiko 4300-700L | SEIKO | |
| Seiko 6106-7070 | SEIKO CASE REFERENCE | |
| Seiko 6M15-9011 | SEIKO CASE | |
| Seiko 7320-5100 | SEIKO CASE. | |
| Seiko 7S26-02B0 | SEIKO CASE REFERENCE COSERVE 2005 | |
| Seiko 8420-5150 | SEIKO CASE REFERENCE | |
| Seiko 9021-5200 | SEIKO CASE REFERENCE | |
| Seiko V300-5040 | PULSAR CASE REFERENCE | |
| Seiko Y480-6970 | PULSAR CASE REFERENCE | |
| Unitas 257 | 18.5 |
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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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