The Seiko 2P20-0A9B is a watch model based on the 2P20 movement.
Parts List
| 210N08JM01 | crystal |
| 35ME2NA1 | crown |
| 0Z1900N01 | case back gasket |
| B5343L | band - metal band |
| B5343L-LKS | band - link |
| B5343L-PB1 | clasp - parts for buckle/clasp |
| B5343L-BK4S | clasp - clasp |
| 08Y02NGH | hand - hour hand |
| 08Y02NGM | hand - minute hand |
| 2P200A9BHZ | others - case |
| 2P200E90XN24 | others - dial |
| 2P209 | others - machine code |
| A110AS | others - push pin |
| 0351236 | others - winding stem |
| 82800580 | others - case ring |
| DZ0041B01 | others - crown and stem gasket |
Caliber 2P20
