The Seiko 7A28-6009 is a watch model based on the 7A28 movement.
Parts List
| 320W42GN00 | crystal |
| 320W42GN | crystal |
| 45M60NK1 | crown |
| FH3180B0A | case back gasket - case back gasket |
| 0Z3554B0 | case back gasket |
| 86566880 | crystal gasket - plastic gasket for crystal |
| EC0060B01 | pusher - pusher gasket |
| 80600563 | pusher - button(10h) |
| 80600583 | pusher - button |
| B1189S | band - metal band |
| B1189S-LKS | band - link |
| B1189S-PB1 | clasp - parts for buckle/clasp |
| B1189S-BK1S | clasp - clasp |
| 12BJ0ZSH | others - hour hand |
| 12BJ0ZSM | others - minute hand |
| 04E18AW | others - sub hand |
| 12SC10AK | others - sub hand |
| 7A2860096B | others - case |
| 7A286030X999 | others - dial |
| 7A289 | others - machine code |
| 81350180 | others - click spring |
| 84304723 | others - dial ring (upper) |
| 84304743 | others - dial ring (lower) |
| 89999903 | others - click ball |
| A180CS | others - push pin |
| 81350540 | others - button spring |
| EC0060B0A | others - button gasket |
| 83200271 | others - button spring clip |
| 86310343 | others - rotating bezel |
| 0354726 | others - winding stem |
| 0Z3554B02 | others - rotating bezel gasket |
| 81400829 | others - button spring clip |
Caliber 7A28
