The Seiko 2P20-5320 is a watch model based on the 2P20 movement.
Parts List
| ET1N17JN01 | crystal |
| ET1N17JN | crystal |
| 30NA9NA1 | crown |
| 0F140NA11 | case back gasket |
| 0F140NA1 | case back gasket |
| DA007BA1 | case back gasket |
| 81614099 | band - bracelet fixing pin |
| Q5015C | band - metal band |
| Q5015C-LKG | band - link |
| Q5015G | band - metal band |
| Q5015G-LKG | band - link |
| Q5015G-BK4G | clasp - clasp |
| Q5015C-BK4G | clasp - clasp |
| 05Y23DGH | hand - hour hand |
| 05Y23DGM | hand - minute hand |
| 1CE032LABDG | others - hour hand |
| 2CE050L2BDG | others - minute hand |
| 2CE045L0BDG | others - minute hand |
| DA007BA11 | others - crown and stem gasket |
| 81181459 | others - bracelet fixing pipe |
| 81604259 | others - bracelet fixing pin |
| 2P200610XB14 | others - dial |
| 2P200610XG14 | others - dial |
| 2P200620XN14 | others - dial |
| 2P200840XB15 | others - dial |
| 2P205320 | others - case back |
| 2P20532025 | others - case |
| 2P2053202H | others - case |
| Q5015C-EPG | others - endpiece |
| 82801870 | others - case ring |
| Q5015G-EPG | others - endpiece |
| 05Y03DGM | others - minute hand |
| 04Y07DGM | others - minute hand |
| 1CE030L2BDG | others - hour hand |
| 04Y07DGH | others - hour hand |
| 05Y03DGH | others - hour hand |
Caliber 2P20
