The Seiko 7A28-7040 is a watch model based on the 7A28 movement.
Parts List
| 310W64GN00 | crystal |
| 45M56NS1 | crown |
| 45M76NS1 | crown - crown |
| 45M56NA1 | crown |
| FH3180BOA | case back gasket |
| FH3180B0A | case back gasket - case back gasket |
| 86565100 | crystal gasket - plastic gasket for crystal |
| 0Z3404B02 | bezel gasket - rotating bezel gasket |
| 80600489 | pusher - button |
| AA58A | band - metal band |
| 12BH0KNH | hand - hour hand |
| 12BH0KNM | hand - minute hand |
| 04E14AW | others - sub hand |
| 13SC06LK | others - second hand |
| 0354726 | others - winding stem |
| EC0060B0A pusherdicht. | others |
| EC0060B0A | others - button gasket |
| 83200271 | others - button spring clip |
| 81350540 | others - button spring |
| 7A28704061 | others - case |
| 7A28706LXB13 | others - dial |
| 7A289 | others - machine code |
| 81350180 | others - click spring |
| 84304363 | others - dial ring (lower) |
| 84304383 | others - dial ring (upper) |
| 86310283 | others - rotating bezel |
| 89999903 | others - click ball |
| A200CS | others - push pin |
| 8140-0829 | others - ( outside) |
| 81400829 | others - button spring clip |
| 0Z0060B01 | others - crown and stem gasket |
Caliber 7A28
