The Seiko 2P20-5K90 is a watch model based on the 2P20 movement.
Parts List
| ESAW04JM01 | crystal |
| 30MA2NA1 | crown - crown |
| 0A1700N01 | case back gasket - case back gasket |
| 0A1700N0 | case back gasket |
| Z5234C | band - metal band |
| Z5234D | band - metal band |
| Z5234G | band - metal band |
| Z5234G-BK5G | clasp - clasp |
| Z5234D-BK5G | clasp - clasp |
| Z5234C-BK5S | clasp - clasp |
| 06Y28DGH | hand - hour hand |
| 06Y28DGM | hand - minute hand |
| 2P201G50XB14 | others - dial |
| 2P201G60XL14 | others - dial |
| 2P201G70X994 | others - dial |
| 2P201G70XG14 | others - dial |
| 2P205K90 | others - case back |
| 2P205K9075 | others - case |
| 2P205K907E | others - case |
| 2P209 | others - machine code |
| 82810380 | others - case ring |
| A110AS | others - push pin |
| EZ0035B0A | others - crown and stem gasket |
| 0351236 | others - winding stem |
| EZ0035B01 | others - crown and stem gasket |
| 2CA065A0BNG | others - minute hand |
| 06Y14NGM | others - minute hand |
| 1CE030L0BDG | others - hour hand |
| 05Y32DGH | others - hour hand |
| 2CE050L0BDG | others - minute hand |
| 06Y14NGH | others - hour hand |
| 05Y32DGM | others - minute hand |
Caliber 2P20
