CRYSTAL OSCILLATOR SP
For Seiko 2639-5010
A/7155
Alternate: 2557/DUR 7423
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Hamilton 988 | AMERICAN P/W OPEN FACE 17 JEWEL * | |
| Seiko 1140-0040 | SEIKO CASE REFERENCE |
