The Seiko 4N20-5219 is a watch model based on the 4N20 movement.
Parts List
| RE0A49S20B | crystal |
| RE0A49S20A | crystal |
| RE0A49S2 | crystal |
| 6M25Z1NNGB | crown |
| 6M25Z1NN | crown |
| 0H1900B01 | case back gasket - case back gasket |
| BJA56G | band |
| A130AS | others - push pin (for lb) |
| 4N200770XB14 | others - dial |
| 4N200770XN14 | others - dial |
| 4N205219 | others - case back |
| 4N2052192HA | others - case |
| 4N205219JJA | others - case |
| 4N2061 | others - machine code |
| 82850170 | others - case ring |
| DZ0040B01 | others - crown and stem gasket |
| 0351155 | others - winding stem |
| 06Y136GM | others - minute hand |
| 06Y136GH | others - hour hand |