MAINSPRING 1.50-.09-340 9
For Seiko 1700-0720
290270/HAM
Alternate: 290270/HAM
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Ronda 1013-21 | PIN LEVER-DSS-21,600 BPH | 10.5 |
| Seiko 7N89-0281 | SEIKO CASE 951201 |
