The Seiko 2P20-5K10 is a watch model based on the 2P20 movement.
Parts List
| ESHN48JM01 | crystal |
| ESHN48JM | crystal |
| ESHN48JM02 | crystal |
| 30M98NA1 | crown |
| 30M98NS1 | crown - crown |
| 0H2200N01 | case back gasket - rotating bezel gasket |
| 0H2200N0 | case back gasket |
| DZ0041B0 | case back gasket |
| B5429G-LKG | band - link |
| B5429S-LKS | band - link |
| B5429G | band |
| B5429S | band |
| B5429G-BK4G | clasp - clasp |
| B5429S-BK4S | clasp - clasp |
| 2P201F10XB14 | others - dial |
| 2P201F10XG14 | others - dial |
| 2P205K10 | others - case back |
| 2P205K1011 | others - case |
| 2P205K1025 | others - case |
| 2P209 | others - machine code |
| 82801920 | others - case ring |
| A150AS | others - push pin |
| 0351236 | others - winding stem |
| DZ0041B01 | others - crown and stem gasket |
| 07Y26AGM | others - minute hand |
| 07Y26AGH | others - hour hand |
Caliber 2P20
