The Seiko Y147-7A20 is a watch model based on the Y147 movement.
Parts List
| 280W90LM01 | crystal |
| 40MR0NS1 | crown |
| 86562390 | case back gasket - plastic gasket for case back |
| 86177922 | crystal gasket - plastic gasket for crystal |
| 049ZAY | band |
| 0354866 | others - winding stem |
| AD006BA12 | others - crown gasket |
| 13SC06LC | others - second hand |
| 2AB115S2BLB | others - minute hand |
| 11CW2LBM | others - minute hand |
| 1AF082S0BLB | others - hour hand |
| 11CW2LBH | others - hour hand |