MAINSPRING
For Alpina 827SS
721/1575
Alternate: 721/FEF 401
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Cyma Tavannes 65 | SWEEP SECOND | 10.5 |
| Seiko 4N00-0100 | SEIKO CASE. | |
| Hamilton 54 | 18000 BPH 17JL ADJ NSTUD HOLD KIF FLECTOR | 11.5 |
| Seiko 4N00-0100 | SEIKO CASE. |
