The Seiko 8N20-5019 is a watch model based on the 8N20 movement.
Parts List
| RE0A47S20B | crystal |
| RE0A47S20A | crystal |
| 6M25Z1NNGB | crown |
| 0H2600B01 | case back gasket - case back gasket |
| BPB14G | band - leather band |
| BPB03G | band |
| 0351387 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| 82850190 | others - case ring |
| 8N205010XB14 | others - dial |
| 8N205010XN14 | others - dial |
| 8N205019 | others - case back |
| 8N2050192HA | others - case |
| 8N205019JJA | others - case |
| 8N2063 | others - machine code |
| A180AS | others - push pin |
| 09T736GM | others - minute hand |
| 09T256GH | others - hour hand |
Caliber 8N20
Other models with the same movement
| 8N20-5000 |
| 8N20-5020 |
| 8N20-6000 |
| 8N20-6001 |
| 8N20-6010 |
| 8N20-6020 |
| 8N20-6030 |
| 8N20-603A |
| 8N20-6040 |
| 8N20-6070 |
| 8N20-6080 |
| 8N20-6099 |
| 8N20-6100 |
| 8N20-6110 |
| 8N20-6120 |
| 8N20-6130 |
| 8N20-6140 |
| 8N20-7000 |
| 8N20-700A |
| 8N20-8009 |