The Seiko 7A28-7090 is a watch model based on the 7A28 movement.
Parts List
| 325W18GN00 | crystal - crystal |
| 45M56NS1 | crown |
| 45M76NS1 | crown - crown |
| 45M56NA1 | crown |
| FH3180B0A | case back gasket - case back gasket |
| FH3180B01 | case back gasket - case back gasket |
| 86566660 | crystal gasket - plastic gasket for crystal |
| 86566860 | bezel gasket - plastic gasket for bezel |
| 80600549 | pusher - button (2h) |
| EC0060B01 | pusher - pusher gasket |
| 80600769 | pusher - button |
| GL21A | band - band |
| NL | band |
| 04E14AB | others - sub hand |
| 12BJ6KKH | others - hour hand |
| 12BH0KQM | others - minute hand |
| 05E02AV | others - sub hand |
| 7A28711LXS13 | others - dial |
| 7A28717LXS13 | others - dial |
| 7A289 | others - machine code |
| 84305722 | others - dial ring |
| A200CS | others - push pin |
| 7A28709061 | others - case |
| 82333389 | others - bezel |
| 0354726 | others - winding stem |
| 83200271 | others - button spring clip |
| 81350540 | others - button spring |
| EC0060B0A | others - button gasket |
| 0Z0060B01 | others - crown and stem gasket |
| 81400829 | others - button spring clip |
| 13SC06LJ | others - second hand |
Caliber 7A28
