The Seiko 2P20-6180 is a watch model based on the 2P20 movement.
Parts List
| K06N29SN01 | crystal |
| 30M91NA1 | crown |
| 0G1700B01 | case back gasket |
| MK40D | band - leather band |
| 06Y13DGH | others - hour hand |
| 06Y13DGM | others - minute hand |
| 1CE042LABDG | others - hour hand |
| 2CE062L0BDG | others - minute hand |
| 0351236 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| 2P202430XA15 | others - dial |
| 2P20618026 | others - case |
| 2P207 | others - machine code |
| 82832730 | others - case ring |
| A110AS | others - push pin |
Caliber 2P20
