The Seiko 2P20-0370 is a watch model based on the 2P20 movement.
Parts List
| 195W69HM01 | crystal |
| 32M55N01 | crown |
| 32M55NG1 | crown |
| 0F160BAA5 | case back gasket - case back gasket |
| 0F175BAA5 | case back gasket - case back gasket |
| AC004BA11 | case back gasket - crown and stem gasket |
| 86582630 | crystal gasket - plastic gasket for crystal |
| 86582631 | crystal gasket - plastic gasket for crystal |
| BGA26D | band - leather band |
| BGZ27F-LB | band - leather without buckle |
| BGA26D-LB | band - leather without buckle |
| BGA31D | band - leather band |
| BGZ27F | band - leather band |
| BGZ27F-BK7S | clasp - clasp |
| BGA26D-BK7S | clasp - clasp |
| A110BS | others - push pin (for mb) |
| 2P200370 | others - case back |
| 2P2003706B | others - case |
| 2P200370WZ | others - case |
| 2P201580XB14 | others - dial |
| 2P201580XL14 | others - dial |
| 82802950 | others - case ring |
Caliber 2P20
