The Seiko Y799-4250 is a watch model based on the Y799 movement.
Parts List
| ES6W56GM01 | crystal |
| ES6W56GM02 | crystal |
| 0A2550B01 | case back gasket |
| 86569760 | crystal gasket |
| 80605223 | pusher |
| JL76A | band - leather band |
| EG0060B01 | others - button gasket |
| 83200271 | others - button spring clip |
| A180CS | others - push pin |