The Seiko 2P20-0D1B is a watch model based on the 2P20 movement.
Parts List
| 210N08JM01 | crystal |
| 30ME4E01 | crown |
| 0A1900N01 | case back gasket - case back gasket |
| 0A1900N0 | case back gasket |
| ZHZ15F | band - leather band |
| ZHZ15F-LB | band - leather without buckle |
| ZHZ15F-BK3S | clasp - clasp |
| 09Y08NGH | hand - hour hand |
| 09Y08NGM | hand - minute hand |
| 2P200D1B | others - case back |
| 2P200D1BHZ | others - case |
| 2P201E80X984 | others - dial |
| 2P209 | others - machine code |
| A120AS | others - push pin |
| 0351236 | others - winding stem |
| 82800580 | others - case ring |
| DZ0041B01 | others - crown and stem gasket |
Caliber 2P20
