The Seiko 7A28-7140 is a watch model based on the 7A28 movement.
Parts List
| 325W18GN00 | crystal - crystal |
| 45M60NK1 | crown |
| FH3180B0A | case back gasket - case back gasket |
| 86566660 | crystal gasket - plastic gasket for crystal |
| 86566860 | bezel gasket - plastic gasket for bezel |
| EC0060B01 | pusher - pusher gasket |
| 80600784 | pusher - button (4h) |
| 80601463 | pusher - button |
| GL210 | band - band |
| 04E14A3 | others - sub hand |
| 12BJ8KKH | others - hour hand |
| 12BJ8KKM | others - minute hand |
| 13SC06KR | others - second hand |
| 04E14A1 | others - sub hand |
| 81350540 | others - button spring |
| 0354728 | others - winding stem |
| 83200271 | others - button spring clip |
| 7A287140W3 | others - case |
| 82333383 | others - bezel |
| 7A28716LXN13 | others - dial |
| 7A289 | others - machine code |
| 84313643 | others - dial ring |
| A200CS | others - push pin |
| 81400829 | others - button spring clip |
Caliber 7A28
