The Seiko 4206-550A is a watch model based on the 4206 movement.
Parts List
| SA3W91LE10 | crystal |
| 40MF5NS1 | crown |
| FH2030B04 | case back gasket |
| FH2030B01 | case back gasket - case back gasket |
| DB0055B01 | case back gasket - crown and stem gasket |
| 86570070 | crystal gasket - plastic gasket for crystal |
| B5223S | band - metal band |
| 06C39KJH | hand - hour hand |
| 06C39KJM | hand - minute hand |
| 3BA075F1BNG | others - second hand |
| 06SC11NG | others - second hand |
| 0351420 | others - winding stem |
| 83137810 | others - case ring |
| 0801274 | others - date dial |
| 0884422 | others - holding ring for dial |
| 4206114MXB1M | others - dial |
| 4206550A61 | others - case |
| 84305975 | others - dial ring (upper) |
| 84305995 | others - dial ring (lower) |
| A140AS | others - push pin |
Caliber 4206
