The Seiko 4206-5591 is a watch model based on the 4206 movement.
Parts List
| ESCW11LN | crystal |
| ESCW11LN01 | crystal |
| 40MF5NN1 | crown |
| FH2030B04 | case back gasket |
| FH2030B01 | case back gasket - case back gasket |
| DB0055B01 | case back gasket - crown and stem gasket |
| DB0055B0 | case back gasket |
| FH2030B0 | case back gasket |
| 86582930 | crystal gasket - plastic gasket for crystal |
| G5096K | band - metal band |
| G5096K-LKG | band - link |
| G5096K-PB1 | clasp - parts for buckle/clasp |
| G5096K-BK1G | clasp - clasp |
| 06C21LGH | hand - hour hand |
| 06C21LGM | hand - minute hand |
| 3BA075F1BNG | others - second hand |
| 06SC15NG | others - second hand |
| 0351420 | others - winding stem |
| 0801274 | others - date dial |
| 0884422 | others - holding ring for dial |
| 4206150LXG18 | others - dial |
| 4206559175 | others - case |
| 84308497 | others - dial ring |
| 83137810 | others - case ring |
| T060BS | others - push pin |
Caliber 4206
