The Seiko 4N20-5610 is a watch model based on the 4N20 movement.
Parts List
| RE5A19J20A | crystal - crystal |
| RE5A19J20B | crystal - crystal |
| RE5A19J20C | crystal - crystal |
| 6M40B5SNA0 | crown - crown |
| 6M40B5SNW0 | crown - crown |
| 0F160BA1S | case back gasket - case back gasket |
| D178AZ | band - band |
| D178HZ | band - band |
| DD57AZ | band - band |
| DD56AZ | band - band |
| 1CE027L2BDS | others - hour hand |
| 2CE042LABDS | others - minute hand |
| 0351155 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| 4N205610WEA | others - case |
| 4N202000XB19 | others - dial |
| 4N202000XS19 | others - dial |
| 4N2061 | others - machine code |
| A160BS | others - push pin |
| 82894150 | others - case ring |
| 4N20561079A | others - case |
| 4N205610 | others - case back |
| 4N20561079B | others - case |
| 4N20561079C | others - case |