MAINSPRING 20-3-21.75 T
For Lemania 1930
M/1172
Alternate: 4031 CROWN
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Cyma Tavannes 564 | BM 574 EXC 311-5415-415-5420-420-422-721 STUD HOLDER | 15 |
| Gruen V4 | MECH PW MVMT |
