The Seiko 8222-5020 is a watch model based on the 8222 movement.
Parts List
| SA1W54GN00 | crystal - crystal |
| 35M68NS1 | crown - crown |
| 35M68NA1 | crown - crown |
| 0G2435B | case back gasket |
| DB0060B01 | others - crown and stem gasket |
Caliber 8222
Seiko 8222-5020 Watch Guide