IMPULSE CLKSPRING
For Seiko 2P20-5B30
X/5343
Alternate: 857/HEU 7710
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Seiko 1F21-0G90 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 4206-548K | SEIKO CASE REFERENCE |
