The Seiko 4N20-5410 is a watch model based on the 4N20 movement.
Parts List
| 6M30A3NNG1 | crown - crown |
| 0H1700B01 | case back gasket - bezel gasket |
| XX000 | band - band |
| DZ0040B01 | others - crown and stem gasket |
| 1CA037A1BNG | others - hour hand |
| 0351155 | others - winding stem |
| 4N20541025A | others - case |
| 82853230 | others - case ring |
| 4N205410 | others - case back |
| 4N201080XS14 | others - dial |
| 4N2061 | others - machine code |