The Seiko 4207-00Y0 is a watch model based on the 4207 movement.
Parts List
| 185P01L30A | crystal - crystal (inorganic) |
| 9M35C5SNG0 | crown - crown (4h) |
| FH2030B01 | case back gasket - case back gasket |
| DB0055B01 | case back gasket - crown and stem gasket |
| 86611910 | crystal gasket - plastic gasket for bezel |
| 86620950 | crystal gasket - plastic gasket for crystal |
| 86620955 | crystal gasket - plastic gasket for crystal |
| 3231BB | band - band |
| 3BA075F1BAR | others - second hand |
| 2AB070LABFA | others - minute hand |
| 1AB050LBBFA | others - hour hand |
| 1AB050LBBSD | others - hour hand |
| 1AB050LBBSA | others - hour hand |
| 2AB070LABSA | others - minute hand |
| 2AB070LABSD | others - minute hand |
| A120BS | others - push pin (for lb) |
| 0801274 | others - date dial |
| 0801275 | others - date dial |
| 0884435 | others - holding ring for dial |
| 420703L2XB14 | others - dial |
| 420703L2XG14 | others - dial |
| 420703M2XE14 | others - dial |
| 420754 | others - machine code |
| 420700Y002A | others - case |
| 0351420 | others - winding stem |
| 82317531 | others - bezel |
| 420700Y001A | others - case |
| 83137810 | others - case ring |