The Seiko 4207-505K is a watch model based on the 4207 movement.
Parts List
| ESEW37L50C | crystal |
| ESEW37LM | crystal |
| ESEW37LM03 | crystal |
| 40MC5NS1 | crown - crown |
| FH2030B04 | case back gasket |
| DB0055B01 | case back gasket - crown and stem gasket |
| DB0055B0 | case back gasket |
| 86591550 | crystal gasket |
| B5546S | band |
| 3BA125F1BNG | others - second hand |
| 0351420 | others - winding stem |
| 83137810 | others - case ring |
| 0801274 | others - date dial |
| 0884435 | others - holding ring for dial |
| 4207010LXL14 | others - dial |
| 4207505K | others - case back |
| 4207505K61 | others - case |
| 420754 | others - machine code |
| A130BS | others - push pin |
| 08SC29NG | others - second hand |
| 08CA7LGM | others - minute hand |
| 08CA7LGH | others - hour hand |