The Seiko 2P20-6B40 is a watch model based on the 2P20 movement.
Parts List
| SAGN32JN01 | crystal |
| 30M98NA1 | crown |
| 0H1500B01 | case back gasket - case back gasket |
| HA19A | band - metal band |
| HA20A | band - metal band |
| 81182699 | others - bracelet fixing pipe |
| 81609399 | others - bracelet fixing pin |
| 2P202A50XG14 | others - dial |
| 2P202A60XS19 | others - dial |
| 2P206B40 | others - case back |
| 2P206B4025 | others - case |
| 2P206B402N | others - case |
| 2P209 | others - machine code |
| 82802980 | others - case ring |
| 0351236 | others - winding stem |
| DZ0041B01 | others - crown and stem gasket |
| 05Y28DAM | others - minute hand |
| 05Y28DAH | others - hour hand |
| 05Y21AGM | others - minute hand |
| 05Y21AGH | others - hour hand |
Caliber 2P20
