The Seiko 4J41-0C20 is a watch model based on the 4J41 movement.
Parts List
| 190A16SB0C | crystal - crystal |
| 30MK8NS4 | crown - crown |
| 0F180NA1S | case back gasket - case back gasket |
| DC61AW | band - band |
| 2BF080A0BCF | others - minute hand |
| 10ST04DG | others - second hand |
| A120BS | others - push pin (for lb) |
| 4J410C30XS14 | others - dial |
| 4J411 | others - machine code |
| 0351405 | others - winding stem |
| 82835740 | others - case ring |
| 4J410C20T0 | others - case |
| 4J410C20 | others - case back |
| EZ0035B01 | others - crown and stem gasket |
| 1BF052A0BAC | others - hour hand |