The Seiko 8N20-6020 is a watch model based on the 8N20 movement.
Parts List
| 265W21SN01 | crystal - crystal |
| 30M09NA5 | crown |
| AC004BA11 | case back gasket - crown and stem gasket |
| 0F215BAA1 | case back gasket |
| 86581955 | crystal gasket - plastic gasket for crystal |
| AB40B | band - band |
| AB41B | band - band |
| 1BA085A1BAF | others - hour hand |
| 2BA120A1BAF | others - minute hand |
| 8N206050XG14 | others - dial |
| 8N206050XS14 | others - dial |
| 8N2063 | others - machine code |
| 0351388 | others - winding stem |
| 81606439 | others - bracelet fixing pin |
| 81181459 | others - bracelet fixing pipe |
| 82843630 | others - case ring |
| 8N20602075A | others - case |
| 8N206020 | others - case back |
| 8N206020SAA | others - case |
Caliber 8N20
Other models with the same movement
| 8N20-5000 |
| 8N20-5019 |
| 8N20-5020 |
| 8N20-6000 |
| 8N20-6001 |
| 8N20-6010 |
| 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 |