The Seiko 2P20-0B30 is a watch model based on the 2P20 movement.
Parts List
| 205N14JM01 | crystal |
| 32M12EA1 | crown |
| 0A1900N01 | case back gasket - case back gasket |
| 0A1900N0 | case back gasket |
| ZJA13G | band - leather band |
| 08Y06XHH | hand - hour hand |
| 08Y06XTM | hand - minute hand |
| A130AS | others - push pin (for lb) |
| 82800580 | others - case ring |
| 2P200B30 | others - case back |
| 2P200B30HZ | others - case |
| 2P200H80XN19 | others - dial |
| 2P207 | others - machine code |
| 0351236 | others - winding stem |
| DZ0041B01 | others - crown and stem gasket |
Caliber 2P20
