The Seiko 2P20-0A89 is a watch model based on the 2P20 movement.
Parts List
| 140N16GN00 | crystal |
| 140N16GN | crystal |
| 30M98NA1 | crown |
| 30M98NS1 | crown - crown |
| 0H1400N01 | case back gasket - case back gasket |
| 0H1400N0 | case back gasket |
| DZ0041B0 | case back gasket |
| B5204G | band - metal band |
| B5204S | band - metal band |
| B5204S-BK3S | clasp - clasp |
| B5204G-BK3G | clasp - clasp |
| 05Y18FSH | hand - hour hand |
| 05Y18FSM | hand - minute hand |
| 2P200A8925 | others - case |
| 2P200A892E | others - case |
| 2P200E60XG19 | others - dial |
| 2P200E60XS19 | others - dial |
| 2P209 | others - machine code |
| 82801060 | others - case ring |
| 0351236 | others - winding stem |
| T070BS | others - push pin |
| DZ0041B01 | others - crown and stem gasket |
| 05Y18FGM | others - minute hand |
| 05Y18FGH | others - hour hand |
Caliber 2P20
