The Seiko 4206-0420 is a watch model based on the 4206 movement.
Parts List
| 205W23L50A | crystal - crystal |
| 205W23LN01 | crystal |
| 205W12LN01 | crystal |
| 205W23LN | crystal |
| 40MC5NS1 | crown - crown |
| 40MC5NN1 | crown - crown (3h) |
| FH2030B04 | case back gasket |
| FH2030B01 | case back gasket - case back gasket |
| DB0055B01 | case back gasket - crown and stem gasket |
| DB0055B0 | case back gasket |
| EJ1880B04 | crystal gasket |
| Z5345S | band |
| Z5346S | band - band |
| 4G06JZ | band - leather band |
| 4G03JB | band - leather band |
| 3224JZ | band - metal band |
| Z5153S | band - band |
| Z5346G | band - band |
| Z5345G | band - band |
| Z5346G-LKG | band - link |
| Z5346J | band - band |
| Z5346G-BK1G | clasp - buckle |
| Z5346G-PB1 | clasp - parts for buckle |
| 1AA055LGBKH | hand - hour hand |
| 1AB055L0BLS | hand - hour hand |
| 2AA077LDBKH | hand - minute hand |
| 07C57KGH | others - hour hand |
| 2AA077LABLG | others - minute hand |
| 08C51LGH | others - hour hand |
| 08SC01NS | others - second hand |
| 08CB5KSM | others - minute hand |
| 2AE075L0BAG | others - minute hand |
| 08CB5KSH | others - hour hand |
| 2AB075LCBLS | others - minute hand |
| 1AA050LGBSS | others - hour hand |
| 1AE052L0BAG | others - hour hand |
| 1AA055LDBLG | others - hour hand |
| 2AA075LCBSS | others - minute hand |
| 2AA075LCBLG | others - minute hand |
| 1AA050LGBLG | others - hour hand |
| 2AB075LCBLG | others - minute hand |
| 1AB055L0BLG | others - hour hand |
| 07C75LSH | others - hour hand |
| 07C75LSM | others - minute hand |
| 08C51LGM | others - minute hand |
| 07SC43XB | others - second hand |
| 06C39LGM | others - minute hand |
| 06C39LGH | others - hour hand |
| 07C57KGM | others - minute hand |
| 1AE052L0BSG | others - hour hand |
| 2AE075L0BSG | others - minute hand |
| 3BA075F1BNG | others - second hand |
| 3BA075F1BNS | others - second hand |
| 3BA075F1BAB | others - second hand |
| 3BA125F1BNG | others - second hand |
| 07SC17NG | others - second hand |
| 08SC01NG | others - second hand |
| 07SC17NS | others - second hand |
| 07SC43NG | others - second hand |
| 07SC43NS | others - second hand |
| 3BA125F1BNS | others - second hand |
| 07SC17EB | others - second hand |
| 08SC29NS | others - second hand |
| 0351420 | others - winding stem |
| 83137810 | others - case ring |
| 4206042075 | others - case |
| 0801274 | others - date dial |
| 0884422 | others - holding ring for dial |
| 0884435 | others - holding ring for dial |
| 82331111 | others - bezel |
| 4206042061 | others - case |
| 82331119 | others - bezel |
| 4206110MXB14 | others - dial |
| 4206110MXS13 | others - dial |
| 4206110RXB14 | others - dial |
| 4206110RXS13 | others - dial |
| 4206110RXS24 | others - dial |
| 4206123MXS17 | others - dial |
| 4206123RXS17 | others - dial |
| 4206213RXB14 | others - dial |
| 4206213RXG24 | others - dial |
| 4206215RXB13 | others - dial |
| 4206215RXG14 | others - dial |
| 4206215RXS14 | others - dial |
| 4206216RXB13 | others - dial |
| 4206216RXG14 | others - dial |
| 4206216RXN14 | others - dial |
| 4206216RXS13 | others - dial |
| 42062334XE13 | others - dial |
| 4206233RXB13 | others - dial |
| 4206233RXG14 | others - dial |
| 4206233RXL13 | others - dial |
| 4206233RXN14 | others - dial |
| 4206233RXS13 | others - dial |
| 42062824X914 | others - dial |
| 42062824X924 | others - dial |
| 42062824X934 | others - dial |
| 420654 | others - machine code |
| 420655 | others - machine code |
| A130BS | others - push pin |
| 08SC29NG | others - second hand |
| 08CB5KKM | others - minute hand |
| 08CA7LSM | others - minute hand |
| 08CA7LGM | others - minute hand |
| 06C39KGM | others - minute hand |
| 06C39KSM | others - minute hand |
| 06C39KKM | others - minute hand |
| 2AB070LCBKE | others - minute hand |
| 08CB5KKH | others - hour hand |
| 08CA7LSH | others - hour hand |
| 07C57KSM | others - minute hand |
| 06C39KGH | others - hour hand |
| 06C39KSH | others - hour hand |
| 06C39KKH | others - hour hand |
| 08CA7LGH | others - hour hand |
| 1AB050LEBKE | others - hour hand |
| 1AA050LEBKE | others - hour hand |
| 07C57KSH | others - hour hand |
Caliber 4206
