The Seiko 6020-5420 is a watch model based on the 6020 movement.
Parts List
| ES1N74SN00 | crystal |
| 35R10EE1 | crown |
| 35R10EX1 | crown |
| 012700N01 | case back gasket - case back gasket |
| 0I2700N01 | case back gasket |
| LK11A | band - leather band |
| LK12A | band - leather band |
| A180BS | others - push pin |
Caliber 6020
