GASKET
For Seiko 5Y31-5A90
721/903
Alternate: 721/AS 1635 INC
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Ricoh 39 | 18000 BPH 21JL DSS MONOREX AUTO CALD DAY DTE | 12.75 |
| Seiko 6020-5340 | SEIKO CASE REFERENCE |
