The Seiko 7S26-0440 is a watch model based on the 7S26 movement.
Parts List
| 290P02LN03 | crystal - crystal (inorganic) |
| 9M40B3SNW0 | crown - crown |
| 9M40B3BNG0 | crown - crown (4h) |
| FH2980B02 | case back gasket - case back gasket |
| DB0055B01 | case back gasket - crown and stem gasket |
| 86582730 | crystal gasket - plastic gasket for crystal |
| 86170500 | bezel gasket - plastic gasket for bezel |
| 44Q6KB | band - band |
| 44Q6JB | band - band |
| 44Q6YB | band - band |
| 44Q6KB-LK2 | band - link |
| 44Q6KB-BKC | clasp - buckle |
| 44Q6KB-PB1 | clasp - parts for buckle |
| 1FB080LFBSE | others - hour hand |
| 2FB120LGBSE | others - minute hand |
| 3BA125F1BNG | others - second hand |
| 3BA125F1BNS | others - second hand |
| 3BA135F1BNG | others - second hand |
| 3BA135F1BNS | others - second hand |
| 2FE120LBBSG | others - minute hand |
| 1FE080LABSG | others - hour hand |
| 2FA120LBBSH | others - minute hand |
| 2FA120LBBSK | others - minute hand |
| 2FE120LBBSS | others - minute hand |
| 2FA120LBBSF | others - minute hand |
| 2FA120LBBFF | others - minute hand |
| 1FA085LABSH | others - hour hand |
| 1FA085LABSK | others - hour hand |
| 1FE080LABSS | others - hour hand |
| 1FA085LABSF | others - hour hand |
| 1FA085LABFF | others - hour hand |
| 86621370 | others - plastic gasket for crystal |
| 0351260 | others - winding stem |
| 7S261144XB13 | others - dial |
| 7S261144XG14 | others - dial |
| 7S261144XL13 | others - dial |
| 7S261144XS13 | others - dial |
| 7S261144XS14 | others - dial |
| 7S261145XL13 | others - dial |
| 7S261154XB13 | others - dial |
| 7S261154XG14 | others - dial |
| 7S261154XS13 | others - dial |
| 7S261214XE14 | others - dial |
| 7S261216XE14 | others - dial |
| 7S2623M | others - machine code |
| 7S2623N | others - machine code |
| S190BS | others - push pin |
| 7S26044001D | others - case |
| 7S260440 | others - case back |
| 7S26044001Z | others - case |
| 7S26044002D | others - case |
| 0878280 | others - date dial |
| 82293539 | others - bezel |
| 82293531 | others - bezel |
| 250PS1L03A | others - (crystal(case back)) |
Caliber 7S26
