The Seiko 2P20-0A20 is a watch model based on the 2P20 movement.
Parts List
| 140N16JM01 | crystal |
| 30M98NA1 | crown |
| 0H1400N01 | case back gasket - case back gasket |
| B5325C | band - metal band |
| B5325C-BK5S | clasp - clasp |
| B5325C-EP2 | others - endpiece |
| 0351236 | others - winding stem |
| 82801060 | others - case ring |
| 2P200A2011 | others - case |
| 2P200B50XN14 | others - dial |
| 2P209 | others - machine code |
| DZ0041B01 | others - crown and stem gasket |
| 05Y18NGM | others - minute hand |
| 05Y18NGH | others - hour hand |
Caliber 2P20
