The Seiko 5420-5019 is a watch model based on the 5420 movement.
Parts List
| ES4N68AN00 | crystal - crystal (organic) |
| 35N18NA1 | crown |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0A1600N01 | case back gasket |
| Q545G | band - metal band |
| Q545Y | band - metal band |
| Q545G-BK3G | clasp - buckle |
| Q545Y-BK3G | clasp - buckle |
| 05R08NGH | others - hour hand |
| 0354706 | others - winding stem |
| 54200080XY14 | others - dial |
| 5420501925 | others - case |
| 54209 | others - machine code |
| 82702200 | others - case ring |
| B080BS | others - push pin |
| 05R01DGM | others - minute hand |
Caliber 5420
