The Seiko 2P20-5B40 is a watch model based on the 2P20 movement.
Parts List
| RE3N98GN00 | crystal - crystal |
| 30M98NA1 | crown |
| 0H1720N01 | case back gasket - case back gasket |
| NL | band |
| Z5167C | band - metal band |
| Z5167G | band - metal band |
| Z5167G-BK5G | clasp - clasp |
| Z5167C-BK5S | clasp - clasp |
| 1CE035L0BDG | others - hour hand |
| 2CE052L0BDG | others - minute hand |
| 0351236 | others - winding stem |
| Z5167C-EP2 | others - endpiece |
| Z5167G-EP2 | others - endpiece |
| 2P200C60XG14 | others - dial |
| 2P200C60XN14 | others - dial |
| 2P205B4025 | others - case |
| 2P205B40EA | others - case |
| 2P209 | others - machine code |
| 82801020 | others - case ring |
| DZ0041B01 | others - crown and stem gasket |
| 05Y04DGM | others - minute hand |
| 05Y04DGH | others - hour hand |
Caliber 2P20
