CIRCUIT BLOCK
For Waltham 1877 A.T. & CO.
401/383
Alternate: 401/FEL 4000
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Seiko 1N01-0FJ0 | SEIKO CASE REFERENCE COSERVE 2005 | |
| Seiko 6309-512A | SEIKO CASE REFERENCE |
