The Seiko 4205-0220 is a watch model based on the 4205 movement.
Parts List
| 270P01LN03 | crystal - crystal (inorganic) |
| 270P01LN | crystal |
| 9M45C9SNW0 | crown |
| 9M45C9SN | crown |
| 0F240BAA3 | case back gasket - case back gasket |
| 0F240BAA | case back gasket |
| DB0055B01 | case back gasket - crown and stem gasket |
| 86581936 | crystal gasket - plastic gasket for crystal |
| 86591910 | bezel gasket |
| 4C03JZ | band |
| 4C60JA | band - leather band |
| 4C81JZ | band - leather band |
| 4C04JZ | band |
| 4C59JA | band |
| 82290038 | others - bezel |
| 82290039 | others - bezel |
| A180BS | others - push pin |
| 0354427 | others - winding stem |
| 82863950 | others - case ring |
| 0801423 | others - date dial |
| 0884430 | others - holding ring for dial |
| 4205022061A | others - case |
| 4205022061B | others - case |
| 42050294XN14 | others - dial |
| 42050304XB14 | others - dial |
| 42050304XS13 | others - dial |
| 42050314XE14 | others - dial |
| 420534 | others - machine code |
| 3AX125F3ALG | others - second hand |
| 3AX125F3ALS | others - second hand |
| 2AE115LABAH | others - minute hand |
| 2AE115LABSG | others - minute hand |
| 2AX110FFBSB | others - minute hand |
| 2AX110FFBSG | others - minute hand |
| 1AE075LBBAH | others - hour hand |
| 1AE075LBBSG | others - hour hand |
| 1AX080FCBSB | others - hour hand |
| 1AX080FCBSG | others - hour hand |
Caliber 4205
