The Seiko 4N20-0029 is a watch model based on the 4N20 movement.
Parts List
| 190N91SV01 | crystal |
| 190N91SV | crystal |
| 25N07NA1 | crown - crown |
| 0D185BAA1 | case back gasket - case back gasket |
| 0G185BAA1 | case back gasket - case back gasket |
| 0D185BAA | case back gasket |
| BJA49G | band |
| A130AS | others - push pin (for lb) |
| 4N200010XS14 | others - dial |
| 4N200029 | others - case back |
| 4N2000292N | others - case |
| 82832630 | others - case ring |
| DZ0040B01 | others - crown and stem gasket |
| 08Y05DGM | others - minute hand |
| 08Y05JGM | others - minute hand |
| 08Y05JCH | others - hour hand |