HAIRSPRING SUPPORT
For Felsa 381
166/AS 1833
Alternate: 427/MID 01147
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Citizen 31-8248 | CITIZE CASE REFERENCE | |
| Citizen BW-7228 | CITIZE CASE REFERENCE | |
| Seiko 4217 |
