The Seiko 4J41-0A20 is a watch model based on the 4J41 movement.
Parts List
| 190A08SZ0E | crystal - crystal |
| 30MK8NS5 | crown - crown |
| 0F180NA1S | case back gasket - case back gasket |
| D0Y4CZ | band - band |
| 1BE050L0BDG | others - hour hand |
| 10ST04DG | others - second hand |
| 2BE075L2BDG | others - minute hand |
| 0351405 | others - winding stem |
| 81604259 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 82835740 | others - case ring |
| 4J410A20XB | others - case |
| 4J410A20 | others - case back |
| 4J410A20XA14 | others - dial |
| 4J411 | others - machine code |
| EZ0035B01 | others - crown and stem gasket |