The Seiko 2P20-0510 is a watch model based on the 2P20 movement.
Parts List
| 180A02SN02 | crystal - crystal (sapphire) |
| 180NB7SN01 | crystal |
| 27N05NA1 | crown |
| 0G1700B01 | case back gasket |
| MK05D | band - leather band |
| 2CE060L0BDG | others - minute hand |
| 05Y01DGH | others - hour hand |
| 0351236 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| 82801970 | others - case ring |
| 2P200510 | others - case back |
| 2P20051026 | others - case |
| 2P202050XS15 | others - dial |
| 2P202060XS24 | others - dial |
| 2P207 | others - machine code |
| A100AS | others - push pin |
| 06Y05DGM | others - minute hand |
| 07Y23DGM | others - minute hand |
| 07Y23NGH | others - hour hand |
Caliber 2P20
