The Seiko 2P20-5850 is a watch model based on the 2P20 movement.
Parts List
| ET3N33JM01 | crystal |
| 30M51NA1 | crown - crown |
| 0F160NA11 | case back gasket |
| G5088D | band - metal band |
| G5088D-LKG | band - link |
| G5088D-BK4S | clasp - clasp |
| 2CE060L0BDG | others - minute hand |
| 05Y01DGH | others - hour hand |
| 2P201590XN14 | others - dial |
| 2P205850 | others - case back |
| 2P205850F7 | others - case |
| 82812130 | others - case ring |
| G5088D-EP3 | others - endpiece |
| DA007BA11 | others - crown and stem gasket |
| 06Y05DGM | others - minute hand |
Caliber 2P20
