The Seiko 4N20-5530 is a watch model based on the 4N20 movement.
Parts List
| ES4A07S20A | crystal - crystal |
| 30M81NN4 | crown |
| 0F150BA1S | case back gasket - case back gasket |
| AC004BA11 | case back gasket - crown and stem gasket |
| D0N7AZ | band - band |
| D0N7CZ | band - band |
| 1CG135LABDG | others - hour hand |
| 81606439 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 81607039 | others - bracelet fixing pin |
| 4N2055307EA | others - case |
| 82834370 | others - case ring |
| 4N205530 | others - case back |
| 4N201880XS15 | others - dial |
| 4N201880XS25 | others - dial |
| 4N2061 | others - machine code |
| 0351155 | others - winding stem |
| 1CG035LABDG | others - hour hand |
| 2CG047LABDG | others - minute hand |