The Seiko 2P20-5110 is a watch model based on the 2P20 movement.
Parts List
| ESZN31JN01 | crystal |
| 30NA9NA1 | crown |
| 0F150NA11 | case back gasket - case back gasket |
| G5056C | band - metal band |
| G5056C-LKG | band - link |
| G5056C-BK4S | clasp - clasp |
| DA007BA11 | others - crown and stem gasket |
| 05Y01DGH | others - hour hand |
| 2P200230XN14 | others - dial |
| 2P2051102H | others - case |
| 82732010 | others - case ring |
| A100AS | others - push pin |
| 05Y01DGM | others - minute hand |
Caliber 2P20
