The Seiko Y799-5050 is a watch model based on the Y799 movement.
Parts List
| SA6W96GN00 | crystal |
| 0A2550B01 | case back gasket |
| EG0115B01 | case back gasket - button gasket |
| 86569480 | crystal gasket - plastic gasket for crystal |
| GA90A | band - metal band |
| 027MP | band - metal band |
| 028MP | band - metal band |
| A180BS | others - push pin |
| A180CS | others - push pin |