MAINSPRING 1X10X12 1/2 AUTO
For Seiko V145-0C80
X/4138
Alternate: 8139/1/VAL 61VB
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Seiko 2E20-5600 | SEIKO CASE REFERENCE | |
| Waltham R731 | 21 JEWEL-MONOREX | 6.75 x 8 |
