The Seiko 4206-5491 is a watch model based on the 4206 movement.
Parts List
| SA3W89LE10 | crystal |
| SA3W89LE40 | crystal |
| 40MF5NS1 | crown |
| 40MF5NN1 | crown |
| FH2030B01 | case back gasket - case back gasket |
| FH2030B04 | case back gasket |
| DB0055B01 | case back gasket - crown and stem gasket |
| 86570070 | crystal gasket - plastic gasket for crystal |
| B5224J | band - metal band |
| B5224K | band - metal band |
| B5224K-LKG | band - link |
| B5224K-PB1 | clasp - parts for buckle/clasp |
| B5224K-BK1G | clasp - clasp |
| 07C14BGH | hand - hour hand |
| 07C14BGM | hand - minute hand |
| 07C14BSH | hand - hour hand |
| 07C14BSM | hand - minute hand |
| 3BA075F1BNG | others - second hand |
| 3BA075F1BNS | others - second hand |
| 07SC17NG | others - second hand |
| 07SC17NS | others - second hand |
| 07C14LGM | others - minute hand |
| 07C14LGH | others - hour hand |
| 0801274 | others - date dial |
| 0884422 | others - holding ring for dial |
| 42061130XG14 | others - dial |
| 42061130XL13 | others - dial |
| 4206549161 | others - case |
| 4206549175 | others - case |
| 84305954 | others - dial ring |
| 84305955 | others - dial ring |
| A140AS | others - push pin |
| 0351420 | others - winding stem |
| 83137810 | others - case ring |
| 07C14LSM | others - minute hand |
| 07C14LSH | others - hour hand |
Caliber 4206
