The Seiko 7S26-0420 is a watch model based on the 7S26 movement.
Parts List
| 300P01LN03 | crystal - crystal (inorganic) |
| 9M40B5SNW0 | crown - crown |
| 9M40B5SNG0 | crown - crown |
| EJ0110B01 | case back gasket - crown and stem gasket |
| FH2980B02 | case back gasket - case back gasket |
| 86565960 | crystal gasket - plastic gasket for crystal |
| 86581060 | crystal gasket - plastic gasket for crystal |
| 86581061 | crystal gasket - plastic gasket for crystal |
| 86179411 | bezel gasket - plastic gasket for bezel |
| 30P2KB | band - band |
| 30P2JB | band - band |
| 30P1JB | band - band |
| 30P1KB | band - band |
| 3BA135F3BAR | others - hand |
| 3BA135F3BNG | others - hand |
| 3BA135F3BNS | others - hand |
| 1FB075LBBEE | others - hour hand |
| 1FB075LBBEG | others - hour hand |
| 1FB075LBBES | others - hour hand |
| 1FE080LABEG | others - hour hand |
| 1FE080LABES | others - hour hand |
| 2FB120LABEE | others - minute hand |
| 2FB120LABEG | others - minute hand |
| 2FB120LABES | others - minute hand |
| 2FE120LBBEG | others - minute hand |
| 2FE120LBBES | others - minute hand |
| 7S26042007D | others - case |
| 0878280 | others - date dial |
| 7S262314XB13 | others - dial |
| 7S262314XG14 | others - dial |
| 7S262314XG24 | others - dial |
| 7S262314XS13 | others - dial |
| 7S262324XG14 | others - dial |
| 7S262324XL14 | others - dial |
| 7S262324XS13 | others - dial |
| 7S262334XB14 | others - dial |
| 7S262334XL13 | others - dial |
| 7S262334XN14 | others - dial |
| 7S262344XB13 | others - dial |
| 7S2624N | others - machine code |
| S180BS | others - push pin |
| 0351260 | others - winding stem |
| 87310419 | others - bezel |
| 87310411 | others - bezel |
| 7S26042001D | others - case |
| 87310319 | others - bezel |
| 7S260420 | others - case back |
| 7S26042002D | others - case |
| 7S26042003D | others - case |
| 7S26042004D | others - case |
| 7S26042005D | others - case |
| 87310311 | others - bezel |
| 7S26042006D | others - case |
| 250PS1L01A | others - (crystal(case back)) |
Caliber 7S26
