MAINSPRING
For Wittnauer D7K
A/6494
Alternate: 2621/AS 1781
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Bulova 6BL | MECH FLAT HSPG | 6.75 x 8 |
| Bulova C4253 | BULOVA CASE REFERENCE | |
| Seiko 1000-0410 | SEIKO CASE REFERENCE | |
| Seiko 2100-0400 | SEIKO CASE REFERENCE |
