The Seiko 5420-5530 is a watch model based on the 5420 movement.
Parts List
| ES9N02GN | crystal |
| ES9N02GN00 | crystal - crystal (inorganic) |
| 35N18NA1 | crown |
| 35N18NS1 | crown |
| 0G0055B0 | case back gasket |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0A1600N01 | case back gasket |
| Z5056G | band - metal band |
| Z5056S | band - metal band |
| Z5056S-BK3S | clasp - clasp |
| Z5056G-BK3G | clasp - clasp |
| 05R06DGH | others - hour hand |
| 05R06DGM | others - minute hand |
| 0354706 | others - winding stem |
| 54200990XG14 | others - dial |
| 54200990XN14 | others - dial |
| 5420553025 | others - case |
| 542055302N | others - case |
| 54209 | others - machine code |
| 82702200 | others - case ring |
| B080BS | others - push pin |
Caliber 5420
