FOURTH WHEEL, SS HT 5.40
For Mallard W3
721/2131
Alternate: 721/5
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Elgin 756 | AUTOMATIC-DIRECT CENTER SECOND | 11.5 |
| International Durowe 261 | DUROBLOC-DIRECT CENTER SECOND | 7 |
| Seiko 1600-5650 | SEIKO CASE REFERENCE | |
| Seiko 5A74-022A | SEIKO CASE REFERENCE COSERVE 2003/2004 |
